Arcteryx Proton SL Hoody Arcteryx Beta SL Jacket Inner - 30D breathable nylon

Inner - 30D breathable nylon ripstop / 15D polyester

The Arcteryx Thorium Hoody is a superb down jacket providing warmth and versatility on cold dry days

Sensors on the thumb and forefinger enable use of smartphones

which provides a soft feel for your hands and gives insulation from the cold

Superlight nylon double ripstop

Arcteryx Proton SL Hoody Arcteryx Beta SL Jacket Inner - 30D breathable nylonThe Arc'teryx Proton SL Hoody is the ideal layering piece for hikers and climbers who demand exceptional breathability and warmth in a minimalist package. Made from a lightweight, breathable Fortius Air 20 outer fabric, it provides excellent air permeability and light wind resistance. The Octa Loft breathable insulation insulation provides exceptional warmth for its weight, even when wet, and packs down small for easy storage. The Helmet compatible