Scent Shield lightweight socks are constructed with innovative "V" heels for better fit, flat seams to reduce blisters. The lightweight socks are available in 11", made with CoolMax to help wick moisture away. The lightweight is available in M/L and XL/2XL. Scent Shield Lightweight Sock w/ S3T: S3T antimicrobial technology to aid in odor control 4 Direction Stretch comfort Constructed of a multiple density knit in order to provide three important elements: Optimum cushioning Moisture control Comprehensive fit 80% Silver, 15% Polyamide, 5% Lycra Ideal for layering or wearing alone on hot days Extra flat seams to eliminate bothersome ridges that can hurt your toes Lycra is used throughout the sock in order to conserve it's characteristics: keeps socks from falling down, no wrinkles, no abrasions, no blisters Polyamide outer layer provides long lasting strength and protection to the sock Length: Mid Calf Sizes: M/L: 9-12, XL/2XL: 13-15 Colors: Black