Luxe Stretch Knit Feels Blissfully Soft and Breathable Cool Extra Cushioning Helps Absorb Shock for All-Day Comfort Smooth Fine-Edge Tops Fit Flawlessly Without Chafing Anti-Slip Silicone Grips Keep Liners Securely in Place Perfect on Their Own or Under Socks for Walking, Running, and More Slip your feet into these no-show sock liners and you'll never want to take them off. They're cushioned in 2 crucial places -- the heel and the ball of the foot -- for comfort at every step. Plus, they're crafted of silky-smooth yarns, with just enough stretch for flexible feel-good fit.