A breathable, water resistant insulated jacket, the Proton LT Hoody from Arcteryx is the perfect self-regulating mid-layer for a variety of activities. Crafted from Fortius™ Air 20 face fabric, it is extremely hardwearing, proving to be over 60 times more durable in abrasion tests than the industry standard. Filled with Coreloft™ Compact 80 synthetic insulation, it boasts an impressive weight to warmth ratio and it is also equipped with a helmet-compatible insulated hood to keep you toastyfor the duration of your dynamic mountain pursuits Product Code: APLNP9TI0156 Arcteryx Men's Proton LT Hoody | Insulated Jackets UK