Mountain Equipment Since Mountain Equipment began in 1961 they have participated in countless ascents of the world’s highest peaks, supported climbers establishing ever more adventurous routes and equipped world record setting trips to the North and South Poles. Since 1961 Mountain Equipment have been making gear for the most inhospitable places on the planet for over 50 years. You learn a lot here. And all they have learned, lives in their gear. Shop All Mountain Equipment Men's Shop Now Mountain Equipment Women's Shop Now Mountain Equipment Sleeping Bags Shop Now Mounatain Equipment Legwear Shop Now Mountain Equipment Insulation Down & Synthetic insulation for cold conditions. Shop Now Mountain Equipment Shell GORE-TEX Waterproof Hardshells for men & women. Shop Now Mountain Equipment Helium GT 400 The Mountain Equipment Helium GT 400 Sleeping Bag is designed for adventurers who demand both comfort and performance on long-haul trips. Perfect for side sleepers and those who appreciate a little extra room to move, the Helium GT series features a significantly more generous yet tapered fit, ensuring superior comfort without compromising on warmth or compressibility. Crafted with sustainability in mind, this sleeping bag is made from 100% recycled, fluorocarbon-free fabrics, offering an eco-conscious choice for extended road trips, backpacking, and multi-season travel. Whether you're navigating cooler spring nights or summer adventures, the Helium GT 400 delivers reliable warmth and exceptional packability, making it a versatile companion for any journey. Shop Now

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