These are polypropylene liners for men and women designed to wick away moisture helping prevent blisters. Liners increase the effectiveness of thermal socks and are normally worn under them to keep the feet warm, dry and comfortable.
# 8515 J.B. Fields Second Skin Sox
• 98% Polyprolene, 2% Spandex
• Prevents blisters
• Polypropylene is breathable and provides warmth without added weight
• Ultra Light-weight & Smooth flat toe seam for added comfort