When you are looking for a faithful companion, look no further than the TX4 EVO ST. A shoe that will be there for you throughout the climbing season from high-mileage link-up days, guiding, to glacier approaches and ridgeline scrambles. You can give these shoes the runaround and they will be recovered and ready to go again before you are. Blending the traits of both hiking and climbing shoes these are the perfect combination of innovative technology and lightweight comfort. Best of all, the patented Resole Platform(TM) insert means they can be resoled without affecting comfort or performance, so you can explore the mountains year after year. Description a ECO materials come from upper yarn, recycled laces, tongue fabric, internal mesh, lacing harness and hooks, rubber rands and an EVA midsole with 7% recycled contenta Wide forefoot fit for excellent all-day comfort and stabilitya Innovative and patented Resole platform designed for easy resoling by replacing the tread and compressed EVA ESS platformsa STB Control System(TM) delivers torsional rigidity and support without encumbering the cushioning underfoota Climbing Zone Platform, Impact Brake System(TM), and Trail Bite(TM) heels provide enhanced stability and traction on uneven terraina VibramA(R) Megagrip(TM) outsoles offer excellent grip on both dry and wet terrain while maintaining a high level of durability Specs WEIGHT: 12.6 oz / 360 gUPPER: High Tenacity TPU Mesh w/ PES Recycled Yarn / Cushioned Tongue w/ Recycled Fabric / Recycled Rubber Rand & Toe Cap / Mythos Lacing System with Recycled Laces & Hooks / Recycled Collar LiningLINING: Air-MeshINSOLE: OrtholiteA(R) Hybrid Approach 4mmMIDSOLE: Fabric wrap / Traverse injection MEMlex w/ co-molded TPU shank & 7% Recycled EVA / STB Control System(TM) / ESS Resoling PlatformSOLE: VibramA(R) Megagrip(TM) w/ Impact Brake System(TM) & Climbing Zone Platform / 3mm lugsCUSHIONING: 35ALAST: TraverseFIT: Performance