Midweight warmth meets rider-specific support & cushioning. An everyday necessity. Features 60% Acrylic / 28% Nylon / 10% Polypropylene / 2% Spandex ultra quick-drying & Stink-Proof Polypropylene Reinforced Footbed Medium-Density Cushioning Throughout Sock Elastic Arch & Ankle Supports Chafe-Free Link Toe Seam Reinforced Toe & Heel Stay High Comfort Band Midweight