On a quick mission or an all-day adventure, the updated Arc'teryx Kopec 2 Low GTX sneakers are a lightweight solution that won't hold you back| An outsole and lugs made with Vibram MegaGrip offer assured traction on any surface, flat or steep, dry or wet, and a GORE-TEX-lined upper keeps water off your feet and lets them breathe. A rubber toe cap fends off trail obstacles, while a wider fit and more responsive midsole make the Kopec Low a comfortable, lightweight ride for day hikes of all shapes and sizes. GTX membrane Invisible Fit. Waterproof, lightweight yet sturdy shoe for day hikes. Synthetic upper with expanded thermoplastic polyurethane (TPU) overlays. Unlined. Lace-up closure. Stretch woven collar. Pull tabs. Low-top profile. Round toe design. Super critical foam midsole.