Designed with fast and light alpine climbing, ice climbing, and ski mountaineering in mind, the Osprey Mutant 28 is ideal for any vertical sport enthusiast looking for a pack that's lightweight, streamlined, and can be customized to meet their specific needs.

• Reinforced HDPE framesheet and aluminum stay provide structure and support under heavy loads; both can be removed to reduce pack weight
• Reverse spacer mesh Airscape back panel offers lightweight, breathable comfort
• Reverse spacer mesh harness features webbing attachment points, reservoir hose routing, and an adjustable sternum strap with whistle
• Minimal padding EVA hip belt has wings with gear loops and attachment points
• Zippered, bucket-style top opens wide to allow for easy packing and gear access
• Zippered pocket on top of the pack stows a removable stretch mesh attachment for convenient helmet carry and a rope attachment strap
• Interior mesh slash pocket keeps smaller gear from getting lost inside the pack
• Dual ToolLock attachment system threads into the head of your ice axe while bungee tie-offs keep the shaft secure
• Front panel webbing loops provide easy crampon attachment
• Reinforced A-frame ski loops keep your skis secure while hiking
• One-piece 15 mm side compression straps are removable to reduce pack weight
• All zipper pulls and buckles are glove-friendly
• 40 lb. weight limit