OS1st

The DS6® Night Time PF Treatment Sleeve with K-Zone® Technology simulates therapeutic taping to relieve the painful symptoms of moderate to severe Plantar Fasciitis, heel pain, foot swelling, and other arch and heel conditions. Designed for use as resting or low activity therapy only. DS6® is your first stage treatment. After becoming active again, we recommend the use of FS6® Performance Foot Sleeves for active therapy.

Size Chart (Arch Circumference & Average Shoe Size): 

• Small: 5"-8"  |  Men's Shoe: 3-5.5 ; Women's: 4-6.5
• Medium: 7"-10"  |  Men's Shoe: 6-9.5 ; Women's: 7-10.5
• Large: 9"-13"  |  Men's Shoe: 10-13 ; Women's: 11+
• Extra Large: 11"-15"  |  Men's Shoe: 13.5-15

The OS1st ES3 Performance Elbow Sleeve helps relieve elbow pain caused by Tennis Elbow (Lateral Epicondylitis), Golfer's Elbow (Medial Epicondylitis), Arthritis, and other painful conditions with one light and comfortable elbow sleeve.

Targeted Conditions:

• Lateral Epicondylitis / Medial Epicondylitis
• General Elbow Pain

• Circulation Safe
• Reduces swelling
• Wear while active, during sports activity or exercising for extra protection
• Easy-on and shaped-to-fit targeted area
• Supports and stabilizes the tendons and provides muscle stability

• Small: 8"-10"
• Medium: 10.5"-12"
• Large: 12.5"-15"
• Extra Large: 15.5"-18"

Prevent injury, improve performance and relieve Elbow Pain caused by Tennis or Golfer's Elbow (Lateral or Medial Epicondylitis), arthritis, Cubital Tunnel Syndrome, and other painful conditions with one light, comfortable elbow sleeve. The ES6™ Elbow Bracing Sleeve combines medical grade orthopedic support with the circulatory safety of graduated compression to treat and prevent painful elbow conditions. Powered by Compression Zone Technology®, the ES6™ wraps the elbow joint in six graduated zones of compression to stabilize the tendons for relief of pain during any activity without slipping down the arm. 

Size Chart: (Measurement is the bicep circumference in inches)

• Small: 8"-10"
• Medium: 10"-12"
• Large: 12"-14"
• Extra Large: 14"-16"

The FS4 Plantar Fasciitis Crew sock featuring award winning, patented FS6® technology made for wearing during activity to prevent Plantar Fasciitis symptom onset and act as an overall foot health and performance aid. With precise targeted compression levels, the OS1st FS4 Plantar Fasciitis Crew sock features Compression Zone Technology® designed for proper foot support and injury prevention. With soft moisture-wicking fabric with anti-odor treatment and padding in the right places, the FS4 creates a technical performance sock that strengthens the foot structure. The FS4 Plantar Fasciitis Crew specifically targets Plantar Fasciitis, Foot Fatigue, and Arch/Heel Pain.

• Medical Grade Support
• Y-Gore heel for anatomical shape
• Seamless Construction
• Extra cushioning without the bulk
• Anatomical left/right design for perfect fit

Before ordering, use this size chart for an accurate fit.

• Small: Men's Shoe 3-5.5, Women's Shoe 4-6.5
• Medium: Men's Shoe 6-9.5, Women's Shoe 7-10.5
• Large: Men's Shoe 10-13, Women's Shoe 11+
• Extra Large: Men's Shoe 13.5+

The FS4 Plantar Fasciitis Crew sock featuring award winning, patented FS6® technology made for wearing during activity to prevent Plantar Fasciitis symptom onset and act as an overall foot health and performance aid. With precise targeted compression levels, the OS1st FS4 Plantar Fasciitis Crew sock features Compression Zone Technology® designed for proper foot support and injury prevention. With soft moisture-wicking fabric with anti-odor treatment and padding in the right places, the FS4 creates a technical performance sock that strengthens the foot structure. The FS4 Plantar Fasciitis Crew specifically targets Plantar Fasciitis, Foot Fatigue, and Arch/Heel Pain.

• Medical Grade Support
• Y-Gore heel for anatomical shape
• Seamless Construction
• Extra cushioning without the bulk
• Anatomical left/right design for perfect fit

Before ordering, use this size chart for an accurate fit.

• Small: Men's Shoe 3-5.5, Women's Shoe 4-6.5
• Medium: Men's Shoe 6-9.5, Women's Shoe 7-10.5
• Large: Men's Shoe 10-13, Women's Shoe 11+
• Extra Large: Men's Shoe 13.5+

The FS6® Performance Foot Sleeve is incredibly effective at relieving the pain of Plantar Fasciitis, chronic arch and heel pain, and swelling in the foot. Compression Zone Technology® knit into this amazing foot sleeve provides medical grade orthopedic support to the foot structure and the Achilles tendon. Graduated compression improves circulation and reduces swelling, all in an ultra-comfortable moisture-wicking foot sleeve that can be worn under socks and inside shoes. FS6® can be used for resting therapy or overnight and gives morning pain relief from the first day. Worn during your run or sport, FS6® functions as a strengthening support and Plantar Fasciitis preventative.

Performance Features:

• Provides continuous stretch of the Plantar Fascia
• Supports the arch and overall foot structure
• Stabilizes Achilles tendon and ankle
• Creates a better sense of balance

• Small: 5"-8"  |  Men's Shoe: 3-5.5 ; Women's: 5-7.5
• Medium: 7"-10"  |  Men's Shoe: 6-9.5 ; Women's: 8-11
• Large: 9"-13"  |  Men's Shoe: 10-13 ; Women's: 11.5+
• Extra Large: 11"-15"  |  Men's Shoe: 13.5+

The OS1st IT3™ Performance ITB Sleeve treats ITB Syndrome (Iliotibial Band Syndrome) and related pain. Hypoallergenic gel support system keeps sleeve in place while active. Easily slips on and off with a thin profile that fits under all apparel, even tights. More comfortable and effective than traditional straps or bands and is shaped to your size.

Targeted Conditions:

• Iliotibial Band Syndrome
• Upper Lateral Knee Stress

• Advanced patent pending medical device for ITB Syndrome and leg fatigue
• Easy-on fit for continuous support 
• Medical Grade Support
• Wear comfortably under all apparel while exercising for extra protection and injury prevention
• Sized and shaped to fit for ultimate performance

• Small: 12"-16"
• Medium: 14"-18"
• Large: 16"-20"
• Extra Large: 18.5"-22.5"

The KS7® Performance Knee Sleeve, powered by Compression Zone Technology®, with gel stabilizers fully embraces the knee and patella in seven zones of compression. KS7® is specifically designed to improve circulation while bracing the joint and supporting the patella from above and below, relieving pressure on the Patellar Tendon. This Patented medical device targets conditions such as Patellar Tendonitis, Iliotibial Band Syndrome, Arthritis, eases knee pain and reduces swelling. This thin but powerful bracing sleeve can offer the same benefits as bulkier braces and can be worn under clothing. The performance-tested KS7® offers all-over knee support for any activity while comfortably staying in place.

How To Select Size (Measurement is the thigh circumference in inches)

1. Slightly bend the knee you want to measure at about 30 degrees
2. Measure your thigh circumference 4" above patella
3. Select your size based on your Above Patella Circumference Measurments

• Small: 11"-12"
• Medium: 13"-15"
• Large: 16"-18"
• Extra Large: 19"-21"
• Extra Extra Large: 22"-24" 

The KS7® Performance Knee Sleeve, powered by Compression Zone Technology®, with gel stabilizers fully embraces the knee and patella in seven zones of compression. KS7® is specifically designed to improve circulation while bracing the joint and supporting the patella from above and below, relieving pressure on the Patellar Tendon. This Patented medical device targets conditions such as Patellar Tendonitis, Iliotibial Band Syndrome, Arthritis, eases knee pain and reduces swelling. This thin but powerful bracing sleeve can offer the same benefits as bulkier braces and can be worn under clothing. The performance-tested KS7® offers all-over knee support for any activity while comfortably staying in place.

How To Select Size (Measurement is the thigh circumference in inches)

1. Slightly bend the knee you want to measure at about 30 degrees
2. Measure your thigh circumference 4" above patella
3. Select your size based on your Above Patella Circumference Measurments

• Small: 11"-12"
• Medium: 13"-15"
• Large: 16"-18"
• Extra Large: 19"-21"
• Extra Extra Large: 22"-24" 

The official sock of the PPA Tour and Life Time® Pickleball, the PB4® Pickleball Crew Sock is built for impact protection and blister prevention with nano-bamboo charcoal cushion in high-friction areas and OS1st’s cooling technology for heat relief while playing on hot surfaces. The arch band provides added support and prevents sheering force during quick movement.

• Allows for natural toe splay
• Treated with silver-ion technology for anti-bacterial odor and moisture wicking ability
• Cushion in high-friction areas with Nano Bamboo Charcoal ionized fibers
• High impact protection
• Left/Right design for anatomical fit

Before ordering, use this size chart for an accurate fit.

• Small: Men's Shoe 4.5-6.5, Women's Shoe 5-7.5
• Medium: Men's Shoe 7-10, Women's Shoe 8-11
• Large: Men's Shoe 10.5-13, Women's Shoe 11.5+
• Extra Large: Men's Shoe 13.5+

The official sock of the PPA Tour and Life Time® Pickleball, the PB4® Pickleball Crew Sock is built for impact protection and blister prevention with nano-bamboo charcoal cushion in high-friction areas and OS1st’s cooling technology for heat relief while playing on hot surfaces. The arch band provides added support and prevents sheering force during quick movement.

• Allows for natural toe splay
• Treated with silver-ion technology for anti-bacterial odor and moisture wicking ability
• Cushion in high-friction areas with Nano Bamboo Charcoal ionized fibers
• High impact protection
• Left/Right design for anatomical fit

Before ordering, use this size chart for an accurate fit.

• Small: Men's Shoe 4.5-6.5, Women's Shoe 5-7.5
• Medium: Men's Shoe 7-10, Women's Shoe 8-11
• Large: Men's Shoe 10.5-13, Women's Shoe 11.5+
• Extra Large: Men's Shoe 13.5+

The PB4® Pickleball Sock is built for impact protection and blister prevention with nano-bamboo charcoal cushion in high-friction areas and OS1st’s cooling technology for heat relief while playing on hot surfaces. The arch band provides added support and prevents sheering force during quick movement.

PB4 Pickleball Features:

• Allows for natural toe splay
• Treated with silver-ion technology for anti-bacterial odor and moisture wicking ability
• Padding in high-friction areas with Nano Bamboo Charcoal ionized fibers
• Cooling heat release Left/right design for anatomical fit

Before ordering, use this size chart for an accurate fit - Sizing is based on Average US Shoe Size

• Small: Men's Shoe 4-6,  Women's Shoe 4-6.5
• Medium: Men's Shoe 6.5-9.5,  Women's Shoe 7-10
• Large: Men's Shoe 10-12.5,  Women's Shoe 10.5-Plus

The PB4® Pickleball Sock is built for impact protection and blister prevention with nano-bamboo charcoal cushion in high-friction areas and OS1st’s cooling technology for heat relief while playing on hot surfaces. The arch band provides added support and prevents sheering force during quick movement.

PB4 Pickleball Features:

• Allows for natural toe splay
• Treated with silver-ion technology for anti-bacterial odor and moisture wicking ability
• Padding in high-friction areas with Nano Bamboo Charcoal ionized fibers
• Cooling heat release Left/right design for anatomical fit

Before ordering, use this size chart for an accurate fit - Sizing is based on Average US Shoe Size

• Small: Men's Shoe 4-6,  Women's Shoe 4-6.5
• Medium: Men's Shoe 6.5-9.5,  Women's Shoe 7-10
• Large: Men's Shoe 10-12.5,  Women's Shoe 10.5-Plus
• Extra Large: Men's Shoe 13-15

The PB4® Pickleball Sock is built for impact protection and blister prevention with nano-bamboo charcoal cushion in high-friction areas and OS1st’s cooling technology for heat relief while playing on hot surfaces. The arch band provides added support and prevents sheering force during quick movement.

PB4 Pickleball Features:

• Allows for natural toe splay
• Treated with silver-ion technology for anti-bacterial odor and moisture wicking ability
• Padding in high-friction areas with Nano Bamboo Charcoal ionized fibers
• Cooling heat release Left/right design for anatomical fit

Before ordering, use this size chart for an accurate fit - Sizing is based on Average US Shoe Size

• Small: Men's Shoe 4-6,  Women's Shoe 4-6.5
• Medium: Men's Shoe 6.5-9.5,  Women's Shoe 7-10
• Large: Men's Shoe 10-12.5,  Women's Shoe 10.5-Plus
• Extra Large: Men's Shoe 13-15

The PB4® Pickleball Sock is built for impact protection and blister prevention with nano-bamboo charcoal cushion in high-friction areas and OS1st’s cooling technology for heat relief while playing on hot surfaces. The arch band provides added support and prevents sheering force during quick movement.

PB4 Pickleball Features:

• Allows for natural toe splay
• Treated with silver-ion technology for anti-bacterial odor and moisture wicking ability
• Padding in high-friction areas with Nano Bamboo Charcoal ionized fibers
• Cooling heat release Left/right design for anatomical fit

Before ordering, use this size chart for an accurate fit - Sizing is based on Average US Shoe Size

• Small: Men's Shoe 4-6,  Women's Shoe 4-6.5
• Medium: Men's Shoe 6.5-9.5,  Women's Shoe 7-10
• Large: Men's Shoe 10-12.5,  Women's Shoe 10.5-Plus

The PB4® Pickleball Sock is built for impact protection and blister prevention with nano-bamboo charcoal cushion in high-friction areas and OS1st’s cooling technology for heat relief while playing on hot surfaces. The arch band provides added support and prevents sheering force during quick movement.

PB4 Pickleball Features:

• Allows for natural toe splay
• Treated with silver-ion technology for anti-bacterial odor and moisture wicking ability
• Padding in high-friction areas with Nano Bamboo Charcoal ionized fibers
• Cooling heat release Left/right design for anatomical fit

Before ordering, use this size chart for an accurate fit - Sizing is based on Average US Shoe Size

• Small: Men's Shoe 4-6,  Women's Shoe 4-6.5
• Medium: Men's Shoe 6.5-9.5,  Women's Shoe 7-10
• Large: Men's Shoe 10-12.5,  Women's Shoe 10.5-Plus

The PB4® Pickleball Sock is built for impact protection and blister prevention with nano-bamboo charcoal cushion in high-friction areas and OS1st’s cooling technology for heat relief while playing on hot surfaces. The arch band provides added support and prevents sheering force during quick movement.

PB4 Pickleball Features:

• Allows for natural toe splay
• Treated with silver-ion technology for anti-bacterial odor and moisture wicking ability
• Padding in high-friction areas with Nano Bamboo Charcoal ionized fibers
• Cooling heat release Left/right design for anatomical fit

Before ordering, use this size chart for an accurate fit - Sizing is based on Average US Shoe Size

• Small: Men's Shoe 4-6,  Women's Shoe 4-6.5
• Medium: Men's Shoe 6.5-9.5,  Women's Shoe 7-10
• Large: Men's Shoe 10-12.5,  Women's Shoe 10.5-Plus

The PB4® Pickleball Sock is built for impact protection and blister prevention with nano-bamboo charcoal cushion in high-friction areas and OS1st’s cooling technology for heat relief while playing on hot surfaces. The arch band provides added support and prevents sheering force during quick movement.

PB4 Pickleball Features:

• Allows for natural toe splay
• Treated with silver-ion technology for anti-bacterial odor and moisture wicking ability
• Padding in high-friction areas with Nano Bamboo Charcoal ionized fibers
• Cooling heat release Left/right design for anatomical fit

Before ordering, use this size chart for an accurate fit - Sizing is based on Average US Shoe Size

• Small: Men's Shoe 4-6,  Women's Shoe 4-6.5
• Medium: Men's Shoe 6.5-9.5,  Women's Shoe 7-10
• Large: Men's Shoe 10-12.5,  Women's Shoe 10.5-Plus
• Extra Large: Men's Shoe 13-15

The first-ever Plantar Fasciitis sock featuring award winning, patented FS6® technology. A technical performance no show sock that strengthens the foot structure and prevents Plantar Fasciitis symptom onset as well as overuse injuries. With precise targeted compression levels and cushioning, the OS1st FS4 Plantar Fasciitis No Show sock features Compression Zone Technology® that is designed for proper foot support. Get relief from past injuries, plantar fasciitis, chronic heel pain, swollen arthritic ankles and feet, or poor circulation.

Before ordering, use this size chart for an accurate fit - Sizing is based on Average US Shoe Size

• Small: Men's Shoe 3-5.5,  Women's Shoe 4-6.5
• Medium: Men's Shoe 6-9.5,  Women's Shoe 7-10.5
• Large: Men's Shoe 10-13,  Women's Shoe 11-Plus
• Extra Large: Men's Shoe 13.5-Plus

The first-ever Plantar Fasciitis sock featuring award winning, patented FS6® technology. A technical performance no show sock that strengthens the foot structure and prevents Plantar Fasciitis symptom onset as well as overuse injuries. With precise targeted compression levels and cushioning, the OS1st FS4 Plantar Fasciitis No Show sock features Compression Zone Technology® that is designed for proper foot support. Get relief from past injuries, plantar fasciitis, chronic heel pain, swollen arthritic ankles and feet, or poor circulation.

Before ordering, use this size chart for an accurate fit - Sizing is based on Average US Shoe Size

• Small: Men's Shoe 3-5.5,  Women's Shoe 4-6.5
• Medium: Men's Shoe 6-9.5,  Women's Shoe 7-10.5
• Large: Men's Shoe 10-13,  Women's Shoe 11-Plus
• Extra Large: Men's Shoe 13.5-Plus

The first-ever Plantar Fasciitis sock featuring award winning, patented FS6® technology. A technical performance quarter crew sock that strengthens the foot structure and prevents Plantar Fasciitis symptom onset as well as overuse injuries. With precise targeted compression levels and cushioning, the OS1st FS4 Plantar Fasciitis Quarter Crew sock features Compression Zone Technology® that is designed for proper foot support. Get relief from past injuries, plantar fasciitis, chronic heel pain, swollen arthritic ankles and feet, or poor circulation.

Before ordering, use this size chart for an accurate fit - Sizing is based on Average US Shoe Size

• Small: Men's Shoe 3-5.5,  Women's Shoe 4-6.5
• Medium: Men's Shoe 6-9.5,  Women's Shoe 7-10.5
• Large: Men's Shoe 10-13,  Women's Shoe 11-Plus
• Extra Large: Men's Shoe 13.5-Plus

The first-ever Plantar Fasciitis sock featuring award winning, patented FS6® technology. A technical performance quarter crew sock that strengthens the foot structure and prevents Plantar Fasciitis symptom onset as well as overuse injuries. With precise targeted compression levels and cushioning, the OS1st FS4 Plantar Fasciitis Quarter Crew sock features Compression Zone Technology® that is designed for proper foot support. Get relief from past injuries, plantar fasciitis, chronic heel pain, swollen arthritic ankles and feet, or poor circulation.

Before ordering, use this size chart for an accurate fit - Sizing is based on Average US Shoe Size

• Small: Men's Shoe 3-5.5,  Women's Shoe 4-6.5
• Medium: Men's Shoe 6-9.5,  Women's Shoe 7-10.5
• Large: Men's Shoe 10-13,  Women's Shoe 11-Plus
• Extra Large: Men's Shoe 13.5-Plus