Osprey Stratos 36 Large Backpack - Shale Tanto Siliconized Cordura® is about one

Siliconized Cordura® is about one third the weight of traditional coated nylon

Reverse polarity protection guards against improper battery installation

Tactical push-button tail cap switch

Lens: Coated mineral glass

The HL20 from Fenix takes a single AA battery and gives you 105 lumens in return

Osprey Stratos 36 Large Backpack - Shale Tanto Siliconized Cordura® is about oneThe Stratos 36 carries all you need for a long day out and even a light overnighter. Designed for a full day of adventure, this top loader features a large front zippered pocket, front panel access to the main compartment, a fixed top pocket with two zippered organization pockets and zippered mesh pockets on the hipbelt. Key Features Backpanel and Suspension Harness pocket Hydration Compatible Ice Ax Attachment InsideOut Compression Integrated