Lightweight, durable micropore EVA midsole absorbs shock without absorbing water. 2 mm polypropylene/2 mm EVA insole for stability, resilient comfort, and forefoot flexibility. Vibram Idro-Grip V-Smear sticky rubber outsole for superb traction and grip�stays sticky even when wet. * Impact Brake System outsole design for increased braking power and decrease in impact forces. Leather upper for durability, protection, and support. Sticky rubber toe rand for durable protection. * Mesh lining at back half of shoe and tongue. Mythos lacing system for highly adaptable fit. Board-lasted construction for increased water protection.