Osprey Mutant 38

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small medium large
Weight 2 lb 13 oz / 1.27 kg 2 lb 14 oz / 1.30 kg 2 lb 15 oz / 1.33 kg
Stripped weight 2 lb 0 oz / .91 kg 2 lb 1 oz / .93 kg 2 lb 2 oz / .95 kg
Capacity 2100 cu in / 35 L 2300 cu in / 38 L 2450 cu in / 41 L

Manufacturer's Description

Visit Osprey's Mutant 38 page.

Retailers' Descriptions

Here's what other sites are saying:

Designed for fast-and-light alpine climbing, ice climbing and ski mountaineering, the Mutant 38 is perfect for vertical enthusiasts who are looking for a streamlined, lightweight pack.


The Osprey Mutant 38 Pack is a top loading bucket style lightweight pack designed specifically for the alpine climbing/ice climbing minimalist. The Mutant 28 has a fixed, reverse spacer mesh die-cut foam harness is designed specifically with stability, carry and comfort in mind. An adjustable sternum strap with rescue whistle buckle provides proper torsional stability while reservoir hose routers keep hydration accessible and at the ready

- CampSaver.com

The Osprey Mutant 38 Backpack is a minimalist alpine climbing/ice climbing pack that's perfect for those days in the ice park as well as the one day alpine climbs.-- Removable helmet carry system-- Removable side compression-- A-frame ski carry-- Harness-- Hydration-- Reverse wrap hybrid hipbelt-- Rope compression-- Suspension/Backpanel-- Tool carry-- Zippered top access

- OMCgear

Designed with fast and light alpine climbing, ice climbing, and ski mountaineering in mind, the Osprey Mutant 38 is ideal for any vertical sport enthusiast looking for a pack that's lightweight, streamlined, and can be customized to meet their specific needs.