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 TPS 535 LTH V EVO leather hiking boot by Asolo has a tough yet comfortable leather design, excellent waterproof protection, and reliable traction that makes it ideal for backpacking, trekking on technical terrains, and long distance hiking. Water-resistant 2.2-2.4 mm full grain leather upper for long-lasting durability. Cambrelle lining creates a comfortable environment for the foot. Rubber toe cap. Easy lace-up design that allows for a more preferred fit. Lite 2 footbed has an anatomic construction for excellent underfoot comfort. Dual density PU midsole provides cushioned support. T.P.S. outsole incorporates three shock absorbers that correspond with the areas of foot that receive highest impact during activity thus providing greater shock absorption, comfort and a more dynamic walking solution. Triple Power Structure Evo Asolo/Vibram rubber outsole features self-cleaning lugs designed for optimum performance on varying types of terrain. Asoflex 00 MR lasting board. Imported. Measurements: Heel Height: 2 in Weight: 1 lb 11 oz Shaft: 6 in Platform Height: 1 1 4 in Product measurements were taken using size US Womens 8.5, width B - Medium. Please note that measurements may vary by size. Weight of footwear is based on a single item, not a pair.