Oakley 15" Crestible Blackout Enduro 22L Backpack 2 USB Ports All-day comfort: Comfortable on-ear design

All-day comfort: Comfortable on-ear design with lightweight

Customizable Chroma RGB Lighting: Single-color green lighting for a stylish setup

Headphone Frequency Response 20-20

Battery:Lithium polymer battery

Gain the upper hand in your races

Oakley 15" Crestible Blackout Enduro 22L Backpack 2 USB Ports All-day comfort: Comfortable on-ear designOakley Crestible Enduro Backpack 22L 921055ODM Blackout Size: One Size 600D polyester Padded laptop sleeve fits up to a 15", shoulder straps and back panel Vertical zip stash pocket Mesh water bottle pockets Internal organization panel Fleece lined padded eyewear media pocket 12 1 2" W x 19" H x 8" D