The Portside Lace Up from Sperry features durable leather and soft nubuck upper providing long lasting comfort. Perfed Nubuck leather for added breathability and comfort. Thick EVA footbed and arch support for added comfort and fatigue reduction. 360 Degree Lacing System with rust-proof eyelets to provide a secure fit. Non-marking rubber outsole with Wave-Siping technology providing the ultimate in wetdry traction.