COOL, THICK, AND COMFY DIRT BIKE SOCKS The Trice Coolmax® Thick Socks keep your feet cool and dry without sacrificing comfort inside your boots. With thick construction using Coolmax® fabric and arch support, these socks fit comfortably and securely on your feet and inside your favorite moto boots. Perfect for those who prefer the slightly snugger fit of a thick sock. Features: Coolmax® fabric construction keeps feet cool and dry Thick construction for a more secure and comfortable fit Arch support Black: 58% acrylic, 17% polyamide nylon, 11% polyester, 7% Coolmax®, 3% rayon, 3% cotton, 1% Lycra Dark Indigo and Flo Yellow: 70% acrylic, 18% polyamide nylon, 7% Coolmax®, 4% cotton, 1% elastane