Forging creeks, crossing bogs, and scrambling on rocks are no problem with the over the ankle support and waterproof protection of Merrell's Siren Mid Leather Hiking Boots.This product will be shipped directly from Merrell and will leave their warehouse in 2 3 business days. Eligible for UPS ground shipping only. . Molded nylon arch shank for underfoot support and proper flex at the ball of the foot. Vibram TC5 rubber outsole with 6 mm lug depth for sure footed traction and grip. QForm Comfort EVA midsole provides women specific stride sequenced cushioning and support for a balanced, natural stride. Merrell air cushion in the heel absorbs shock and adds stability. Waterproof membrane seals out water and lets sweat escape to keep feet dry and comfortable. Waterproof nubuck and pig suede leather upper. Bellows tongue keeps debris out. Abrasion resistant heel bumper. Breathable mesh lining treated with Aegis antimicrobial solution resists odor. OrthoLite anatomical footbed adds cushion, wicks moisture, and resists odor. Strobel slip lasted construction offers flexibility and comfort for an athletic fit.