Mammut's Trovat Guide II High GTX is a seriously durable and extremely comfortable mountain hiking boot, made with a textile upper surrounded by a full rubber rand to help deflect scree and protect from boulder scrapes. A GORE-TEX Performance Comfort membrane lining provides full waterproof protection whilst allowing perspiration to pass out of the boot, helping to maintain temperature and keep your feet dry__ Designed with their patented Base Fit 2.0 heel strap system and Motion Control design, you're guaranteed a snug fit around the laces and heel that holds your foot in the optimum walking position and prevents it from slipping or twisting.The use of Memory Foam provides comfort around your instep, shin and ankles, and the Foot Mapping System zones each area of the boot to give your feet cooling/padding/warmth/slip or non-slip linings as required. Finally, the sole uses Rolling Concept technology to promote natural foot movement and prevent fatigue, finished with a grippy Vibram outsole which is compatible with B1/A9 grade walking crampons. __ The individual 3-zone lacing allows for a personalised and adaptable binding and the Elastic Gore-Tex Tongue Construction means no formation of creases in the tongue area and make the boots easier to put on and take off._High cut rubber edgeSoft Nappa leather heel collarBoard lastedVibram MT Traction II Sole Backpacking sole with high tread depth PD Cage TPU element integrated in the wedge