Winter Jacket Sizes & Layering...and Arc'teryx Proton FL impressions

Curious how not to freeze to death during winter adventures? I'm here to help. In addition, also are my impressions of the Arc'teryx Proton FL, which truly impressed me, and made for a very successful 2 layer system during medium to high exertion in 25F degree weather in the mountains.

Full list of gear
Baselayer: Head Performance T-shirt (Medium)
Mid-Layer: Arc'teryx Proton FL (XL)
Hardshell: Arc'teryx Theta AR (L)
Belay Jacket: Patagonia Micro Puff Storm (L)
Softshell Pants: Black Diamond Dawn Patrol LT (Medium)
Thermal Bottoms: Patagonia Capilene mid-weight (Medium)
Backpack: Osprey Talon 22

Видео Winter Jacket Sizes & Layering...and Arc'teryx Proton FL impressions канала ALTA GEAR