Non-Slip, Double-Sided Tread Pattern 360 Degree Tread Coverage Soft Knit Construction For A More Comfortable Fit Super Soft Terrycloth Lining To Absorb Perspiration And Increase Comfort Medical Grade Hospital Slipper Socks but great for yoga or trampolines. Secure Step Footwear is designed to help reduce injuries due to slipping, while soft-knit construction enhances comfort and encourages compliance. Medical Grade Sock Extra Stretchable Neck For Added Comfort. Great for reducing slippage on wood floors, and ceramic tile, and they are even great for use on trampolines.