Durable backpack for sunrise hikes and early morning classes 420D nylon adds water-resistance for rainy adventures 15in laptop sleeve is also hydration compatible Key clip in main compartment keeps your keys accessible Front compartment has plenty of space to organize essentials Top access compartment has pockets for phones and sunglasses Side water bottle pocket keeps you hydrated Item #MHWZ98W Responsible Collection Recycled/Repurposed Material [face fabric] 420D carbonate coated ripstop nylon, [bottom] 840D HT ballistic nylon, [lining] 150D recycled polyester Volume 28L (1709cu in) Shoulder Straps dual-density foam Access side