Sperry Top-Sider Men's Waterline 4-Eye Shoe,Oyster,11.5 M 100% Leather Rubber sole Waterproof membrane construction keeps feet dry in wet conditions Padded tongue and collar for added comfort around the foot Removable, full length, molded footbed with Wave-Comfort System&#8482; Scruff rubber mud guard for extra durability and added protection Wave inspired lugged outsole with Wave Siping&#8482; for ultimate wet/dry traction