Atlas Treeline SleepingBagFeature_Double The natural heat generated by

The natural heat generated by the Yeti 150 contained in an insulated cooler will keep battery capacity at its highest

All that and you still have room for your fuel canister

the Helium-TRAIL features the comfortable and easy-to-use Wrapp™ Trail binding which uses forefoot webbing straps and a TPU heel strap to provide a secure

abrasion-resistant bottom

Atlas Treeline SleepingBagFeature_Double The natural heat generated byThe Treeline features Atlass Spring Loaded Suspension, a patented design that allows for impact absorption, natural side to side flex and deeper crampon penetration for an uncompromised stride. Comfort and security come standard with the Wrapp MTN binding which utilizes the BOA Fit System to provide a fast, precision fit with on the fly adjustability. The variable forming of the aluminum Reactiv frame changes from a cylindrical to an elliptical shape