Osprey Aether 70 Medium Backpack - Dusk Machete 375 MAG BULLET pen writes

375 MAG BULLET pen writes on wet paper and upside down in temperatures from -30F to 250F

Teflon® fabric protector for grime resistance and easy maintenance

with more robust performance in harsh conditions

A well thought out organization pocket to store and quickly access small accessories for every day work and school life

easy-to-replace batteries are included

Osprey Aether 70 Medium Backpack - Dusk Machete 375 MAG BULLET pen writesThe Aether 70 is an ideal size for a variety of backpacking adventures. With added features like J Panel access, Stow on the Go trekking pole attachment and an improved suspension technology, this backpack remains the #1 choice for adventurers of all calibers. Key Features AddOn Compatible Convertible Top Pocket Lumbar Pack Hydration Compatible InsideOut Compression J Panel access Red Internal Compression Strap Sleeping Pad Straps Tool Attachment