Mountain Guide NI Boot – Rugged Support for Harsh Terrain。Worn outside only one time. A little too narrow for my foot and didn’t enjoy them. Missed the return date on Amazon. Burly boot for alpine missions and trekking under a heavy load. Leather upper delivers durable, water-repellent performance. Flexible ankle hinge increases mobility and step-in comfort. Heel welt is compatible with most hybrid and strap-on crampons. Breathable lining wicks away moisture and dries quickly. Hardwearing insole offers added support on technical terrain. SBR Aircushion midsole provides insulation and shock absorption. Lugged Vibram sole delivers reliable, long-lasting traction.