The women’s specific Sapphire sports a sculpted fit and a feel that’s tougher than a sneaker and faster than a boot. An EVA midsole, TPU chassis and O FIT insole add up to a vibrant, light-footed mid with B-DRY waterproof protection. Oboz proprietary insole is what they're known for. Molded to match the specific shape and construction of every pair Oboz makes, this purpose-designed technology delivers the kind of fit, feel and performance that’s unmatched in the industry