With Vibram Megagrip to keep you planted on cold, wet ground, a higher calf height, and waterproof full-grain leather, the Big Sky II 11" boot provides the support and durability you expect from a work boot. With side pull loops for easy entry.

Features:

• Thermal insoles feature an insulated top sheet for warmth and a Mylar bottom sheet to reflect heat back to your foot, keeping toes nice and cozy.
• Oboz ACT (Adaptive Cushioning Technology) Impact leverages Intelligent PU to create lightweight midsoles for a variety of footwear with long-lasting durability, support and rebound for optimal comfort.
• 200 gram PrimaLoft BIO insulation and 100 gram for Big Sky Low.
• Quintessential hiking bottom package is built to be supportive and protective and features Vibram Megagrip. If you're tired of feeling rocks and roots underfoot look no further.
• Proprietary waterproofing system, B-DRY, lets sweat escape while keeping moisture out.