Even if the weather wets down your day, you will still get the lightweight comfort and durable performance needed for technical approaches and day hikes with the Arc'teryx Acrux SL GTX Approach shoe. ; One-piece, seamless synthetic upper features a thermolaminated construction for high-abrasion resistance, a lightweight feel, lasting wear, hydrophobic properties. ; Features integrated sticky rubber toe cap, TPU high abrasion protection films, and PU coated nylon yarns. ; Arc'teryx Adaptive Fit features a fixed, zonal stretch liner that molds to the foot for a custom fit. ; GORE-TEX liner technology ensures breathable, waterproof protection from outside elements. ; Tongue-free liner creates more breathable surface, and increases waterproof coverage. ; Lace-up closure. ; Laminated toe and heel caps. ; Front and back pull loops. ; 3D-molded OrthoLite footbed supplies breathability, arch support, and extended comfort. ; Durable EVA foam midsole delivers reliable stability and absorbs impacting shock. ; Y-groove split heel for improved braking. ; Spherical heel shape boosts braking and promotes a smoother ride. ; Vibram MegaGrip rubber approach-specific outsole features a sticky climbing rubber zone, smearing inserts, and mountaineering heel tread for optimal performance. ; Imported. Measurements: ; Weight: 14 oz ; Product measurements were taken using size 12, width D - Medium. Please note that measurements may vary by size.