Take your outdoor adventures to the next level of extreme with the Lowa Hunter GTX Evo Extreme boot! ; Smooth and durable nubuck upper materials. ; High-top silhouette offers maximum durability and protection from the elements. ; Perforations in the boot's lining allows air to enter, pumping heat and moisture back out. ; Patented, seamless, waterproof GORE-TEX lining with Primaloft insulation for added warmth. ; Lace-up closure with X-lacing system and patent pending tongue stud allows for better pressure distribution. ; C4 tongue is anatomically contoured to cradle the foot. ; Balance footbed with breathable top layer and slow reacting foam provides fit customization, transports moisture away from the foot, minimizes friction, and reduces fatigue. ; PU midsole with SPS Cushion is designed to help control over-pronation and supination, reducing fatigue and potential injury when covering long distances. ; VIBRAM Masai outsole for excellent traction and added durability. ; 5mm nylon, full length and width stabilizer, with a PU layer for total underfoot support. ; High wall rubber rand. ; Strap-on crampon compatible. ; Imported. Measurements: ; Weight: 2 lbs 9 oz ; Shaft: 9 in ; Product measurements were taken using size 11.5, width D - Medium. Please note that measurements may vary by size.