Osprey - Thrulite Pro 40 Expedition Backpack

Built for ultralight thru-hikes, this ultralightweight pack pairs an adjustable torso, vest inspired harness and ventilated AirScape backpanel with secure roll top access and a removable, multi-function lid.

Crank out miles with this uncompromising ultralight thru-hiking backpack optimized for efficiency, stability and comfort over long distances. A roll-top closure pairs with a removable modular top lid that converts into a chest rig. NanoFly™ performance fabrics, dynamic suspension, a vest-style harness and an adjustable torso length deliver a precise fit and confidence to tackle tough terrain.