M-SelectTM DRY membrane seals out water and lets moisture escape Waterproof embossed full grain leather upper Bellows tongue keeps debris out Vibram® Megagrip and a 5mm Lug Depth for extra grip in wet and slippery conditions Q FORMTM 2 dual-density midsole helps promote your natural gait cycle and avoid injury Kinetic FitTM TRI removable contoured insole provides light support to all three arches of the foot Equipped with a moisture-venting mesh and a soft full grain leather upper for complete protection, these Siren 3 Walking Shoes from Merrell are specifically engineered to match the contours of your foot, offering support, alignment and stability. Designed specifically for women, it features a Kinetic Fit Select that ensures the tri areas of your foot are thoroughly supported. Superb traction is provided with the Vibram® Megagrip outsole for a versatile combination of stickiness and durability on both wet and dry surfaces.