Simms Men's Neoprene Flyweight Wading Socks - Technical wet-wading socks for use with Simms Flyweight Wet Wading Shoes. Built-in gravel guard sheds water, gravel and muck Silicone print grip inside gravel guard to help keep it in place Reinforced lace hook keeps guard from lifting in strong currents Mid-calf height Machine wash and dry Sizes: S (7-8), M (8-10), L (10-12), XL (12-13), XXL (13-14) Style: PG-13150