

The Trion collection consists of Mammut's versatile range of backpacks built for trekking and mountaineering, and the Trion 50L Backpack is the second-largest pack in that backpack. Its Contact U Frame consists of cushy EVA and air channels for four-season ventilation. The waist belt is removable customized support if you're carrying a lighter load. There are external attachments for skis, ice axes, trekking poles, and even climbing ropes. The Trion 50L is compatible with hydration reservoirs, and there are multiple pockets to organize smaller valuables.
Price: $229.95 from Backcountry
| Merchant | Price | |
|---|---|---|
| $229.95 | Visit Store |
Whether we're trail running, climbing, or just out for a brisk stroll in the mountains, the Mammut Lithium 15L Backpack helps us shift into a higher gear with a speedier, lighter weight design. The well-ventilated back panel keeps us cool and comfortable...
"What Our Gearhead® Experts Are Saying:""When I’m heading out for long days in avalanche terrain, I grab the Pro 35. The women’s-specific CONTACT U Frame feels balanced even when fully loaded, and the dedicated avy tool pocket keeps my gear right...
Whether we're trail running, climbing, or just out for a brisk stroll in the mountains, the Mammut Lithium 15L Backpack helps us shift into a higher gear with a speedier, lighter weight design. The well-ventilated back panel keeps us cool and comfortable...