TX4 Evo GTX is a leather shoe with a waterproof GORE-TEX membrane, developed to guarantee maximum stability and grip even on the most rugged terrain.Ideal for technical approaches and easy climbing routes, it offers unrivalled comfort thanks to the materials making up the upper and the roomy internal construction. The GORE-TEX Extended Comfort membrane renders the footwear waterproof and breathable even during prolonged use.The tread featuring a Vibram® MegaGrip compound and patented Impact Brake System™ block structure ensures maximum stability when descending and perfect traction control when climbing. The generous Climbing Zone at the toe guarantees precision and excellent grip when climbing and during tricky sections.The special midsole featuring the patented Resole Platform™ insert allows the TX4 Evo GTX to be resoled without compromising performance and comfort. Resoling your footwear means extending its life cycle and consequently reducing waste. Upper: Suede leather + protective rubber trim and protective rubber toe Lining: GORE-TEX Extended Comfort Footbed: Ortholite® Hybrid Approach 4mm Midsole: Compression EVA Sole: Vibram® MegaGrip with IBS Patents: Resole Platform™ - Impact Brake System™ + Resole Platform™: the sole unit is designed to be easily and quickly resoled by replacing the tread using original components supplied by La Sportiva. + Protective fabric applied to the forefoot midsole to protect it from abrasions + Climbing-derived lacing system for optimal fit adjustment