---
title: "Mammut Lithium 20L Daypack Black, One Size from Backcountry"
description: "View Mammut Lithium 20L Daypack Black, One Size from Backcountry on Refermate."
canonical_url: "https://refermate.com/store/backcountry/product/mammut-lithium-20l-daypack-black-one-size-3427198"
md_url: "https://refermate.com/store/backcountry/product/mammut-lithium-20l-daypack-black-one-size-3427198"
---
# Mammut Lithium 20L Daypack Black, One Size

- URL: https://refermate.com/store/backcountry/product/mammut-lithium-20l-daypack-black-one-size-3427198
- Store: Backcountry
- Store products page: https://refermate.com/store/backcountry/products
- Brand: Mammut

## Description

What Our Gearhead® Experts Are Saying: "The Lithium 20L hits that perfect sweet spot for day hikes—big enough for layers, snacks, and water but compact enough that it never feels bulky. The fold-out hip-belt phone pocket is one of those small touches that makes a huge difference on the trail, and the included rain cover means I’m never worried about sudden weather rolling in."From summit pushes to casual trail loops, the Mammut Lithium 20L Daypack delivers the thoughtful design and comfort we need for full days outside. Its streamlined 20-liter capacity keeps gear organized without overpacking, while the 3D EVA foam back panel promotes airflow to minimize sweaty hotspots on steep climbs. When the weather turns, the detachable rain cover—treated with a PFC-free DWR—keeps our layers and food dry without adding unnecessary weight. Mammut designed the Lithium series for versatility, and this smaller model proves it. Dual compression straps secure loads of any size, the trekking pole attachment keeps gear accessible, and a fold-out hip-belt phone pocket lets us capture the view without breaking stride. Whether it’s an alpine trail, a quick after-work hike, or a travel companion abroad, the Lithium 20L adapts to every adventure with the precision Mammut is known for.

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