Arc’teryx Proton LT

Midweight air-permeable insulation that self-regulates to prevent overheating.

Proton:
- Air permeable mid layer insulation with abrasion and weather resistant outer surface.

Lightweight:
- High performance, minimalist design that is durable for its weight.

Alpinism and Climbing:
- Climbing equipment designed for efficient movement and protection in alpine environments.

Synthetic Insulation:
- Man-made insulation with quick dry times, durability and retains warmth when damp.

Proton LT Vest:
- Providing core body insulation while maximizing freedom of movement, the highly air-permeable Proton LT Vest performs as a softshell and midweight insulated mid layer. Advanced material technologies balance wind, weather and thermal protection while allowing air to pass at a carefully designed amount. This ability to enable air flow helps prevent overheating and vapour accumulation, allowing the Proton LT to deliver comfort over a wide range of temperatures, conditions and output levels.

- Weight: 230 g / 8.1 oz
- Fit: Trim fit, Hip Length, Centre back length: 75 cm / 29.5 in
- Activity: Rock Climbing / Ice Climbing / Alpine Climbing / Expedition


Technical Features:

- Abrasion resistant
- Water resistant
- Air permeable
- Wind resistant

Construction:
- DWR (Durable Water Repellent) finish repels moisture

Design & Fit:
- Trim fit for athletic performance

Collar Configuration:
- Collar height provides coverage when worn without a hardshell

Zippers & Fly Configuration:
- No Slip Zip™ front zipper
- Dual back flaps on main zipper prevent wind penetration

Hem Configuration:
- Drop back hem
- Dual lower hem adjusters

Pocket Configuration:
- Chest pocket with zip
- Two insulated hand pockets with zippers


Materials:
- Fortius™ Air 40 92% nylon, 8% elastane
- Coreloft™ Continuous 65 (65g/m²)
- Permair™ 20 - 100% nylon


Care:

- Machine wash in cold water.
- Do not use fabric softener.
- Tumble dry on low heat.
- Do not iron.

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