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The Trion Spine 35 takes even difficult ascents in stride. Thanks to a suspension system featuring Active Spine™ Technology and integrated height adjustment, the backpack allows greater freedom of movement for the shoulders and hips, resulting in a more natural gait. It also ensures optimal load transfer during all walking movements, even when carrying a heavy load. With a capacity of 35 litres, an additional front opening, and a range of features, the Trion Spine 35 offers everything an alpinist's heart desires.

Trion Spine 35

Practical and comfortable alpine and trekking backpack

Perfluorinated compounds (PFCs) are often used for waterproofing but are practically non-biodegradable. Mammut is committed to replacing non-biodegradable fabric treatments with more sustainable high-performance alternatives.

PFC-free DWR

Fair Wear works to ensure fair and safe working conditions in garment factories. The non-profit engages directly with factories, trade unions, NGOs and governments to protect workers’ rights.

Fair Wear

Special backpack carrying system that follows the body's movement with opposing forces between the hips and shoulders with each step. It offers excellent freedom of motion and improves energy efficiency on long hikes.

Mammut Active Spine Technology™

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Easy to access and organize via additional front opening

Top and front loading

Excellent air circulation for more comfort on long mountain tours

Back ventilation

Choose between three back lengths with a single pull

Height adjustment system

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Mountaineering SS22 Petit Clocher du Portalet 10

Trion Spine 35 - 2520-00860

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Something for spring

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To redeem your free gift you must: Build your basket with a minimum of £200 total value. Add one size of the Crag Cap LO Logo - Black to your cart.Add the code FREEGIFT at checkout for the discount to apply.

This offer cannot be combined with other voucher codes, discounts, or promotions and ends 30th April or until stocks last. Offer limited to 1 free product (1191-01890-0001) per order.