Breathable Mesh Upper: Features air-mesh upper panels for cool, breathable comfort around the foot with shock absorbing EVA heel cup for added comfort Men's Sperry Billfish: Customizable 360 lacing men's Sperry boat shoe with cushioned sole for all-day wear Non-Marking Rubber Outsole: Wave-Siping on the rubber outsole provides stability on wet and dry surfaces for maximum use Low Top Design: Low top boat shoe with lace-up closure and fabric lining for casual wear Features air-mesh upper panels for cool, breathable comfort around the foot with shock absorbing EVA heel cup for added comfort Customizable 360 lacing