It's hard to stay at the top. Especially when you're well above tree line, the temperature drops below freezing and the wind is howling. Our Granite 600g adds another level of warmth to our most trusted and proven mountain boot. Featuring a full 600g of insulation, dual density midsole, flex-3 rated 7mm polyurethane chassis and 100% waterproof Sympatex membrane. Finished with our custom compound Vibram™ Tsavo™ outsole and roller-bearing hardware. The Granite 600g is a serious boot built to dominate harsh terrain in sub-freezing temperatures. Specs & Features 100% Waterproof Sympatex™ MembraneFlex-3 Chassis10-inch heightDual Density 100% Poly Midsole200g //InsulatedCustom compound Vibram™ Tsavo™ outsole2.8mm top grain Yukon leather upper5.55 lbs/pairHandcrafted in Italy Schnee's Granite 600g Men's Yukon/Loden SH-GR-6-M/YUKLOD in Olive Brown, 7M