The Sawtooth X Low Waterproof is even more capable than our beloved original. It has a new outsole for superior traction and a new Adaptive Cushioning Technology midsole for an even smoother ride. But among all this new-ness it retains the same great fit and feel and our B-DRY waterproof technology, so you can be confident taking on the trail, puddle filled or otherwise. Features Molded insole to match the specific shape and construction of every pair we make, this purpose-designed technology delivers the kind of fit, feel and performance that&';s unmatched in the industry. A proprietary rubberized EVA that adapts to varying terrain. This unique blend of dualdensity, lightweight cushioning system provides the wearer a high level of energy efficiency and a softer heel strike landing zone. Constructed using high tenacity fiber technologies, weight for weight, CORDURAA(R) AFT fabrics are exceptionally durable. 100% RPET REPREVEA(R) laces and webbing and quick drying recycled natural material lining help us lighten our impact on the planet. Oboz&';s most-tested rubber compound boasting superior slip-resistance, enhanced durability, and improved elongation and tensile strength. There&';s no denying feet sweat and trails can get muddy. There&';s also no denying the ability of our proprietary waterproofing system, B-DRY, lets sweat escape while keeping moisture out.