Scent Shield midweight socks are constructed with innovative "V" heels for better fit, flat seams to reduce blisters. The midweight socks are available in 11", made with CoolMax to help wick moisture away. The midweight is available in M/L and XL/2XL. Scent Shield Midweight Sock w/ S3T: S3T antimicrobial technology to aid in odor control 4 Direction Stretch comfort 50% Silver, 25% Modal, 15% Polyamide, 10% Lycra Constructed of multiple density knit in order to provide three important elements: Optimum cushioning Moisture control Comprehensive fit Extra flat seams to eliminate bothersome ridges that can hurt toes Inner layer of Modal fibers provides extreme softness, freshness and comfort Lycra is used throughout the sock in order to conserve it's characteristics: keep 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: XL/2XL: 13-15 Colors: Light Grey