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. Hit the trails in good and wet weather with the supportive and comfortable Asolo Nucleon Mid GV MM hiking boot. Ideal for light hiking and summer thru winter walking. 1.6-1.8mm water-resistant suede and Schoeller soft shell upper. Classic lace-up closure. Gore-Tex Extended Comfort lining is waterproof and breathable for a drier, more comfortable foot environment. Lite 2 insole offers lightweight support and underfoot comfort. Mono-density EVA midsole provides reliable underfoot comfort and shock absorption. Rubber toe cap for added protection. Asolo/Vibram Synthesis rubber outsole with Megagrip compound is a highly technical sole featuring self-cleaning lugs designed for optimum performance on varying types of terrain. Imported. Measurements: Weight: 1 lb Product measurements were taken using size US Mens 12, width D - Medium. Please note that measurements may vary by size. Weight of footwear is based on a single item, not a pair.