•Support and breathability with added knit ventilation  •Comfortable and ultralight support  •Superior drainage and breathability Removable sock liner  •Durable grippy outsole The Speedo Men's Surf Strider Water Shoe is engineered to offer the best support, breathability and comfort where you need it most. Surf Knit construction offers superior drainage and quick-drying properties, while the easy on and off technology makes this a style that works for pool workouts or on dryland. Sizing: Mens Construction: Pull Loops Footwear Insole Material: 100% TPR (Thermoplastic Rubber) Features: Pull-On Care and Cleaning: Machine Washable, Air Dry Footwear Lining Material: 100% Polyester Toe Style: Round Toe Footwear Upper Material: 100% Polyester Footwear Outsole Material: 100% TPR (Thermoplastic Rubber) Shoe Width: Medium Footwear toe openness: Closed Toe Footwear outsole details: Flexible Outsole