A NEW specifically engineered O FIT Rugged Trail Insole featuring poured PU provides long-term cushioning & support on variable, rugged terrain. GORE-TEX materials are engineered to keep you dry in all climates. All Obōz footwear that uses GORE‑TEX product technologies offers trusted comfort and protection – with their GUARANTEED TO KEEP YOU DRY promise. Proven to be durably waterproof and breathable, you’ll be ready to step outside and make more of every day. Crafted by Thermoplastic Polyurethane (TPU), the Trail Chassis provides a bridge between the rearfoot and forefoot increasing torsional stability while on variable terrain. Engineered for durability and stability, our proprietary ACTPU cushioning system is a polyurethane (PU) cushioning system specifically formulated for long-term compression resistance and impact protection – providing a ride that is extremely stable and optimized to carry heavy loads. Vibram MEGAGRIP rubber is a technical compound that offers excellent grip on both wet and dry surfaces while maintaining a higher level of durability, providing the wearer incomparable performance and confidence on extremely demanding terrain. Oboz Bridger Peak GTX Backpacking Boots - Men's, Medium, Bison Brown, 11.5 US, 27001-783-11.5-Medium