AlpinistPack 25L+
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Inspired by AlpinistPack 35l+ the AlpinistPack 25l+ was designed with one goal in mind. Minimalism. We removed almost all non-essential features and reduced volume for fast and light climbs.
Made from tough fabrics like Challenge Sailcloth Ecopak Ultra 400X and Ultra 200X, this backpack can handle whatever the elements throw at it. Plus, it comes with useful features like shoulder strap pockets, an internal pocket, and a ski carrying system.
Despite its durability, the AlpinistPack 25l+ is surprisingly lightweight at just 350g when you strip it down to the basics. And when you need extra space, its roll-top closure system lets you expand it to hold up to 30 liters of gear.
Whether you're climbing mountains, trekking through snow, or exploring the wilderness, the AlpinistPack 25l+ is the perfect companion for your outdoor adventures.
Removeable accessories: hip-strap, EVA back foam, ski carrying system
Weight: Fully equipped - 550g, Stripped down - 350g
Fabrics: Ultra 400X, Ultra 200X, UltraGrid, EPLX450RS, Polyester 400D
UltraWeave™
The Challenge ULTRA™ line of fabrics is composed of the highest performing UHMWPE composite fabrics in the world.
In a class of its own, ULTRA™ represents a new paradigm in durability and weight. ULTRA™ weave is constructed with an optimal blend of UHMWPE & high-tenacity polyester. The tight weave is laminated with an eco-friendly adhesive to our revolutionary Challenge RUV™ film. The result is a textile that is incredibly strong, lightweight, and waterproof to 200 psi. ULTRA™ performs in the harshest environments, in both sub-zero and tropical climates.