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 terrain you are hiking on can be unpredictable and the Asolo Agent Evo GV MM has the perfect design of a comfortable fit and grippy outsole to make sure your every step is supported, protected, and steady. Boot is ideal for light hiking and summer thru winter walking. Designed as one-piece of water-resistant 1.6-1.8mm suede leather upper for long-lasting durability and breathability. Rubber toe cap. Easy lace-up design that allows for a more preferred fit. GORE-TEX Extended Comfort Footwear technology offers waterproof protection to ensure feet stay dry and comfortably cool. This non-insulated safeguard is best suited for moderate to warm climates. Lite 2+ insole offers lightweight support and superior underfoot comfort. PU midsole provides cushioned support. Highly technical Vibram rubber EVA outsole with Megarip compound for superior grip and traction. Made in Romania. Measurements: Weight: 15 oz Product measurements were taken using size US Mens 11, width D - Medium. Please note that measurements may vary by size. Weight of footwear is based on a single item, not a pair.