Get the comfort and lightweight, 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. ; 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. ; Vibram MegaGrip rubber approach-specific outsole features a sticky climbing rubber zone, smearing inserts, and mountaineering heel tread for optimal performance. ; Y-groove split heel for improved braking. ; Spherical heel shape boosts braking and promotes a smoother ride. ; Imported. Measurements: ; Weight: 14 oz ; Product measurements were taken using size 12, width D - Medium. Please note that measurements may vary by size.