* Material Upper: 3 mm neoprene * Weight: 567 g * Sole: 3 mm rubber * Marking Sole: No * Insole: 3 mm neoprene * Shim: 2 mm plastic shim * Closure System: Hook-and-loop webbing adjustment across the top of the foot * Taped Seams: No * Feature: Rubber support bands Details: * Built on a naturally shaped women-specific last and designed with a roomy toe box for outstanding fit and comfort * A sustainable alternative to traditional neoprene, petroleum-free Terraprene neoprene is made from limestone and recycled tires * Construction combines a 3 mm thick neoprene upper with titanium adhesive throughout for increased warmth * Stretchy rubber support bands improve lateral stability * 3 mm patterned rubber sole for enhanced traction plus a 2 mm plastic shim for additional protection * Reinforced at the toe and heel for long-lasting durability * A hook-and-loop webbing strap across the top of the foot adjusts for a customized fit