Orvis Men's Neoprene Wading Socks - At only 0.5mm, these Neoprene Wading Sock offers supreme comfort for all your no-wader fly-fishing jaunts. The 4-way stretch 0.5mm Neoprene Wading Sock fits close like an actual boot-high cloth sock. It’s the clear next-to-skin answer for your next no-wader mission and pairs perfectly with the Approach wet wading shoe. Made thin to aid in warmth without being too hot or bulky, the anatomically correct right and left designs hug feet for all-day comfort. Pairs perfectly with the Approach wet wading shoe Close, sock-like fit in boot-high, 4-way stretch neoprene Decreases bulk but retains warmth from a 0.5mm thickness Comfortable, anatomically correct right/left design Sizes XS (5-7), S (7-9), M (9-10), L (10-11), XL (11-13) Style: 2ZNF