La Sportiva Men's Nepal EVO GTX Boot 100% 3.2 mm+ Silicone Impregnated Idro-Perwanger R 3.2mm one-piece silicone impregnated leather upper offers excellent durability and fit Nepal last offers excellent fit for any foot and is easily adjustable with the adjustable/removable tongue EZ-Roller hardware allows you to lock down the laces for separate tension on the cuff and fore-foot Gore-Tex lining for long lasting warmth in the mountains Vibram sole & rand with Impact Brake System for controlled descents