Features of the La Sportiva Women's Wildcat 2.0 GTX Shoe Gore-Tex lined for all-weather conditions Stable, versatile and ideal for all trails Upper: Airmesh/ trail cage / tpu transkinetic heel stabilizer / ureTech reinforcements Lining: Gore-Tex extended comfort Midsole: Injection molded memiex/ Nylon molded flex transfer shank Sole: Frixion at 2.0 / impact brake system x-axis Gore-Tex is an incredibly strong, microporous material with an amazing list of characteristics including low water absorption and good weathering properties Gore-Tex membrane makes products durably waterproof, windproof and breathable so that you stay dry and comfortable, no Matter the conditions Designed to reduce up to 20% of the impact forces acting on the feet, legs and back with each step while walking on hard ground Due to the slanted and opposing angles of the lugs, the impact forces Are reduced Impact brake system soles also offer superior grip on very steep terrain increase traction by 20% due to the sculpted heel brake, offset lugs and the synergy with the asymmetric axis of the foot Frixion sticky rubbers Are various sole compounds specifically designed for mountain sports Frixion rubber is custom formulated for maximum Performance for each intended sport Frixion gives you an optimum stick, durability and a noticeable Performance advantage