Designed for technical mountain pursuits, the Challenger 28 Backpack delivers versatile performance for demanding alpinists.
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The versatile Challenger 28 Backpack is a go-to carry-all for mountaineering, alpine climbing and ski mountaineering. Made from rugged, tear-resistant Challenge Sailcloth Ultra fabric, this durable, lightweight pack is built to withstand ice, rock and harsh conditions.
The practical roll-top tubular construction can increase capacity from 28 to 32 litres for more gear-intensive missions. A drawstring closure divides the main compartment into two sections for easy organisation, with both sides accessible via water-repellent zippers. And various removable external straps and cords allow you to transport ropes, skis, ice axes and helmets, so you can customise your setup whether you’re scaling icy walls or descending on fresh powder.
The back panel comes with a structured, removable insert for extra support with heavier loads. Fully adjustable shoulder straps and a waist belt with detachable hip pads ensure optimal weight distribution for all-day comfort.
For ambitious alpine adventures, choose the Challenger 28 Backpack.
Reviews (2)
4.0
100% customers recommended this product
4
04/16/2026
Product arrived damaged (back panel was deformed). If this wasn't the case I think it would be a great product, but the deformed panel has me wondering about durability. I like the design a lot though. So I'm giving it a 4-star rating cause of that, and giving it the benefit of the doubt with the deformed panel being an exception.
4
04/13/2026
Realmente el material es de primera calidad, diseñado para lo que debería, pero encuentro que la parte del cinturón podría desmontarse para poder utilizarla sin ello, por lo demás me parece un producto de 10. Cuando la tienes entre tus manos es símplemente espectacular.
tech info
Main fabric: Body: Ultra 200 TX / 400 TX: 100% Polyethylene (UHMWPE) Other fabrics: Liner : 100% recycled Nylon Adjustable Harness: YES Alpine Tools Holder: YES Avalanche Compartment: YES Capacity (L): 28+ (Expandable to 32L) External Dimensions: 29cm x 21cm x 57cm Helmet Holder: YES (INCLUDED) Ice Tool Sleeve: YES Rope Carry System: YES Secondary Access: SIDE Skis Holder: YES (A-STYLE & DIAGONAL) Type of Access: Top
Ultralon® PE is a cross-linked, expanded foam based on polyethylene polymer resin. PE foam performs particularly well where thermal insulation is critical, such as underlay and headliners.
Key features:
Consistent quality
Thermoforming ability
Meets REACH regulations
Workability
Ultralon® EVA is a cross-linked, expanded foam based on ethylene vinyl acetate copolymer resin. EVA foam is particularly durable and resilient, and is highly suited to applications where ‘packing out’ is to be avoided, such as shoe soles, ski boot liners.
plus
+Main body made of Challenge Sailcloth Ultra 400 fabric - Front panel and Roll-Top made of Challenge Sailcloth Ultra 200 fabric
+28L volume, expandable to 32L with roll-top closure system
+Main compartment divided into two sections with drawstring closure
+Water-repellent YKK® side zippers for easy access to both main compartments
+Removable thermoformed back panel with structured insert for extra support
+Waist belt with double D-ring closure system and adjustable, removable hip pads with gear loop and zippered pocket
+Fully adjustable shoulder straps with load-adjustment system and chest strap with safety whistle
+Daisy chain with attachment points for included helmet holder
+Adjustable, removable front elastic cord, ice axe holders, compression strap and ski strap for A-frame or diagonal ski carry
+Internal pocket with key clip
+PFAS free
sustainability
+EPLX | BLUE OCEAN: 100% recycled polyester components
+C0 DWR (no fluorocarbons),
+Waterproof 0.5 mil RUV matte film backing, recyclable after use. Challenge’s proprietary
+Bluesign Fabrics