VAYA GTX The new women-specific VAYA GTX hiking shoe has been designed for active, outdoor women looking to re-energize and reconnect with nature. The soft collar and Sensiflex technology snuggly adapt to the foot, while the sturdy mesh, Contagrip® outsole and waterproof Gore-Tex membrane give just right protection and grip on all your hikes.OUTSOLE Contagrip® MD Contagrip® MD is focused on long-term wear. Using the most durable compound, it has a lug pattern that works equally well on both hard and smooth or soft and loose surfaces. UPPER CONSTRUCTION SensiFlex™ Two stretch panels that support natural foot expansion and forefoot flex, while still maintaining support. MEMBRANE GORE-TEX GORE-TEX keeps your feet dry -from the outside as well as from the inside.