Men's Proton LT Jacket
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Light and Breathable
Arc'teryx designed the men's Proton LT as an exceptionally lightweight jacket for comfort, air permeability, and thermal retention during alpine activities. It's padded with Coreloft™ Continuous 65 insulation and protected with a Fortius™ Air 40 outer fabric, which balances wind and water resistance with necessary ventilation. This trim-fitting jacket weighs only 355-grams and delivers performance as a standalone or mid layer for activities like ice climbing water falls in the Alps, and breaking trail in the British Columbia backcountry.
- Fortius™ Air outer fabric
- Coreloft™ Continuous 65 insulation
- Weighs 355-grams
- Trim-fit, hip-length
Collar | No Slip Zip™ | Pockets
Arc'teryx outfitted the Proton LT jacket with a collar height that provides coverage and warmth. It also comes with a No Slip Zip™ front zipper that prevents it from self-opening during activities. The hem has dual adjusters that can be tightened to stop cold drafts from working their way up the jacket. The two exterior hand pockets are insulated and the chest pocket serves as perfect spot for a phone or map.
- Collar height provides coverage
- Dual hem adjustments
- Two insulated hand pockets
- One chest pockets
- Arc'teryx Ascent Collection