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. Featuring water-resistant construction with Gore-Tex Extended Comfort Footwear lining, the Asolo Supertrek GTX ML shoes offer breathability and waterproofness. The Eva co-injected midsole comes with Asosorb technology that provides superior cushioning. These hiking shoes feature a classic hardware lace-up design with flat cotton laces for a secure fit. Comfortable and durable, these shoes are the perfect footwear choice for on and off trails. Suede and polyester upper. Removable Lite 2 plus textile insole. High-top silhouette. Brand logo on the lateral side. Round toe. Self-cleaning Asolo Supertrek outsole with Sigma Grip compound (rubber-Eva) that offers better traction, grip, and performance. Imported. Measurements: Weight: 1 lb 2 oz Product measurements were taken using size 9, width B - Medium. Please note that measurements may vary by size.