Waterproof bootie construction inside a suede Nubuck and mesh upper with padded collar and tongue and abrasion-resistant rubber toe cap. OrthoLite® X40™ sets the industry standard for high rebound performance with an elasticity rating over 40%. EVA midsole with high traction rubber outsole and toe guard for durable outdoor wear. Removable Footbed, Waterproof, OrthoLite®, Vibram®. Diabetic Friendly pending. Tie closure Removable footbed Comfort technology Imported Product Specifications 2 in heel 4 in shaft 12 in calf circumference Material Midsole: EVA, Outsole: rubber Suede