OS1st CS6 Performance Calf Sleeve Stocking Stuffer The upper is made of

The upper is made of a proprietary material that's lighter than traditional upper fabrics

Seamless double needle 3/4" collar

Gaiter compatible: Yes

You can't go wrong with merino

Minimal seams

OS1st CS6 Performance Calf Sleeve Stocking Stuffer The upper is made ofRelieve Pain Caused by Sore Aching Legs and Feet, Cramping and Shin Splints with OS1st's Light, Comfortable Calf Sleeves. Comes with two (2) compression calf sleeves per package. 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