Boost 650 20F/-6C Long Surrey Engineered Mesh Upper balances breathable

Engineered Mesh Upper balances breathable comfort and support while a plush tongue and Collar offer additional comfort

Open scoopback

Carbon fiber plate

Cotton jersey fabric

minus the zip pocket for a clean finish

Boost 650 20F/-6C Long Surrey Engineered Mesh Upper balances breathableComfort is not one size fits all, which is why the Boost 650 empowers you to customize its shape to find your perfect balance of space and warmth. As a spacious semi rectangular sleeping bag the Boost provides all the room you need to side sleep, shift about, spread out and relax. The semi rectangular shape gives you considerably more internal space than a mummy bag youll feel unrestricted and free to sleep in whatever position you want all night