Your most committing alpine rock and ice pursuits demand a pack that's up for the challenge. The Mutant 52 with its dialed-in features and expansive capacity is here to answer the call. Tested and developed by local guides and athletes in some of the harshest conditions the Mutant 52 has evolved into a formidable mountaineering pack for big objectives. If you're planning to spend days in alpine conditions and high elevations you need the comfort stability and capabilities of a Mutant. New colors advanced fabrics and refined features make the latest iteration even more formidable than its predecessor. The whole Mutant family benefits from the addition of lightweight recycled NanoFly™ and robic fabrics for impressive durability and lower environmental impact than virgin materials.