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Relieve Pain Caused by Sore Aching Legs and Feet, Cramping and Shin Splints with OS1st's Light, Comfortable Calf Sleeves. CS6® Performance Calf Sleeves provide athletes with relief from calf pain and injury. Find prevention and relief from muscle cramps, venous insufficiency, Achilles tendinitis, and shin splints.

Targeted Conditions:

  • Achilles Tendonitis
  • Shin Splints
  • Leg Cramps
  • Aching Legs & Feet
  • Circulation Optimization
  • Muscular Support
  • Achilles Stabilization

Performance Features:

  • Reduce impact vibration of calf muscle
  • Post-event recovery
  • Boost oxygenation
  • Achilles stabilizer
  • Medical Grade Compression
  • Advanced medical device for recovery, ortho-support and venous insufficiency
  • Easy-on fit designed to be worn under socks, alone or paired with the FS6® Performance Foot Sleeve
  • Soft, moisture-wicking fabric
  • Wear during walking or exercising for extra protection

OS1st CS6 Performance Calf Sleeves

SKU: CS622
  • Size Ankle Circumference Calf Circumference
    S 6.5 - 8.5 in 9.5 - 14.5 in
    M 8.5 - 10.5 in 12 - 17 in
    L 9.5 - 12.5 in 14 - 19 in
    XL 12 - 14 in 14.5 - 20 in


  • How to care for your compression knee brace

    1. Wash your calf sleeves separate from other clothes.
    2. Before putting it in the wash turn it inside out.
    3. Only wash on cold.
    4. Use delicate, non-bleach detergent.
    5. Allow calf sleeves to Air Dry. 
    6. Avoid folding, lay it in a drawer instead

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