Description Gas up your friends and your feet with this fresh collab featuring mountain maniac, Jill Perkins. These OTCs are made with a flexible poly blend and medium cushioning that's ready for first (and last) chair. Over the Calf Height Polyester Blend Medium Cushioning Performance Cushioning Performance Arch Support Seamless Toe Closure Performance Mesh Fit and Fabric 95% polyester, 3% elastane, 2% nylon