Soft, luxurious REI Silk One liners add a layer of warmth that protects your feet from blisters and chafing when worn under hiking socks.
● Absorbs moisture to help keep feet dry
● Made from a blend of spun silk, nylon and Lycra® spandex for durability and stretch
● *Discount will be applied when you check out. Offer not valid for sale-price items ending in $._3 or $._9
Made in USA.