77% Polypropylene, 17% Nylon, 3% Elastic , 3% Lycra Spandex Made in the USA and Imported PERFECT FOOTBALL SOCKS: Add of a touch of fun to the season with this fresh take on the traditional football sock. This sock is a crew length (hits mid-calf) and comes in many team color combinations. Sure to be a hit with your favorite football player! ACCURATE SIZING: MadSportsStuff Sock Size: Small - Youth Shoe Size 12-5, Medium - Womens Shoe Size 5-10 Mens Shoe Size 5-9, Large - Womens Shoe Size 10-13 Mens Shoe Size 9-12, X-Large Womens Shoe Size 13+ Mens Shoe Size 12+ PERFORMANCE MATERIALS: Fiber Contents: 77% Polypropylene, 17% Nylon, 3% Elastic , 3% Lycra Spandex PERFORMANCE FEATURES: Moisture Wicking, Arch and Ankle Compression to reduce fatigue, Blister Control, Lightweight, Double Welt Top, Heel/Toe Design, Advanced Yarns Help Control Odor QUALITY CONSTRUCTION: Made with love in the USA MadSportsStuff Football Logo Athletic Crew Socks. High performance athletic socks for all team sports and elite athletes.