Cotton Eyewear Retainer Camping & Travel Accessories Insect and Bug Protection It’s a must have for every Men Accessories Hats It’s a must have for every #vanlifer Specs Ideal Fit For Men Activity Backpacking Internal Frame Yes Frame type Wishbone Suspension Technology Response A3 Compartment Access Top U Zip Bottom U Zip Access Yes Closure Type Drawcord Zipper Number of External Pockets 9 Hydration Compatible Yes Raincover Included Yes Hipbelt Included Yes Hipbelt Pockets Yes Sleeping Bag Compartment Yes Removable Daypack Yes Trekking Pole Attachments Yes Standard cotton glasses retainers that will hold most sunglasses made without slip