REALTREE liner socks provide the precise amount of warmth and comfort without the added weight Thin and lightweight enough to use as a base layer to keep feet dry and free of blisters Polypropylene reduces blisters and helps wick moisture Flat toe seam and arch support for added fit and comfort Two-Pair Pack; Available in M,L and X-Large Thin and lightweight; Flat toe seam; Arch support for added fit; Polypropylene reduces friction and helps wick moisture; Layering helps keep feet dry to reduce blisters; Made in USA