Description
Climbing durable, trail light, mid layer or standalone, the versatile Proton’s breathable thermal protection delivers comfort across a range of temperature and output levels. Octa Loft knit insulation provides warmth, resists packing out, and allows airflow to regulate comfort. Abrasion-resistant Fortius Air 20 fabric stretches, resists wind, and allows temperature-regulating airflow. A zippered chest pocket secures a radio, articulation aids mobility, and the low-profile insulated hood adds warmth.
Features:
- Breathable
- Air permeable
- Light wind resistance
- Octa Loft, clean finished, breathable insulation provides thermal protection while maintaining a comfortable micro climate
- Fortius Air 20 face fabric effectively balances air permeability and weather resistance with lightweight durability
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