We didn't get our chops building athletic shoes. We make boots. So when we decided to create a lightweight trainer, we took our 80-plus years of experience and created a boot that acts like a shoe, not a shoe that acts like a boot. We recommend women select 1.5 to 2 full sizes down for correct fit. Moisture wicking mesh lining Speed lacing system for secure, enhanced fit Cushioning PU footbed EVA cushioning and shock-absorbing midsole Nylon shank Danner Tachyon slip-resistant rubber outsole with low pentagonal lug pattern offers superior ground contact