Sports Parts Inc Metallic Sock Liners , Primary Color: White, Size: OSFM, Gender: Mens/Unisex 16-070-01 The product of space age technology reflecting body heat to increase warmth and comfort. They mean the end ofcold feetfor cyclists, hunters, skiers, snowmobilers, etc. Constructed of aluminized Lurex threads that provide the utmost tin insulation protection. One size fits all. Moisture absorbent