JBL Go 4 Bluetooth Portable Custom Speaker, White Quarter Zips 70 30 pima cotton nylon Full fashioned throughout Style Number:811807 70 30 pima cotton nylon Full fashioned throughout 1x1 rib neck Dual U zip access to main compartment and multifunctional interior sleeve Interior mesh organizer and key clip Zippered front panel slash pocket Spacermesh covered EVA foam breathable backpanel Harness stretch mesh pocket Left or right over the shoulder ambidextrous fit and carry Adjustable clip for left or right over the shoulder crossbody carry Anatomically shaped single shoulder strap with breathable Simply tap Playtime Boost to prolong the playtime from a poolside party to a seaside picnic