Men's Oakley Enduro 25lt 4.0 - Black - Backpacks Whether you're hitting the street or the trailhead, keep your gear in place with the Enduro 25LT 4.0. A water-repellent exterior and padded laptop and tablet pockets add superior protection, and an internal organizational panel keeps essentials in place. Breathable mesh padded shoulder straps and a Jacquard webbing branded puller deliver plenty of carrying comfort, and it's finished with an external eyewear pocket and Oakley Ellipse logo branding. Material Details. Water repellent treatment repels water to keep fabric surface dry and comfortable. Quilted panel front. Addtional Details. Dedicated external eyewear pocket. Material Composition. 100% Polyester.