The meaning of V , GV and GTX in the Asolo style names: V stands for a Vibram outsole, GV stands for Gore-Tex lining with a Vibram outsole, and GTX is for a GORE-TEX® lining.The Asolo® Lagazuoi GV offers the perfect combination of durability, support, and traction for outdoor adventures. Mid-cut design provides superior ankle protection.Hardy, 2.2-2.4mm, water-resistant nubuck leather upper offers exceptional durability. Ideal for backpacking, trekking on technical terrains, and long distance hiking.GORE-TEX® Performance Comfort Footwear offers excellent waterproof protection and optimal heat retention to keep you dry and comfortable during a wide range of conditions and outdoor activities.Plush tongue and collar for added comfort and performance. Heel pull loop for easier on and off.TPU toe cap offers added protection on the trail. Lite 2 plus insole offers lightweight support and superior underfoot comfort. Dual density, microporous midsole provides long-lasting cushion for all-day comfort. Included PU Anti-Shock insert for added support.Asolo/Vibram® Ascent outsole offers long-lasting durability, stability, and excellent traction on a variety of terrain. Built on the Asoflex 00 MR last. Made in Romania.