THIS ITEM IS NOT INTENDED FOR USE BY CHILDREN 12 AND UNDER Water-repellent UA Storm technology keeps your essentials dry Padded, breathable air mesh back panel & shoulder straps for ultimate comfort LEVELED strap system guides you to assure straps are adjusted evenly for balanced weight distribution Rolltop design with bungee & hook closure Built-in laptop sleeve—holds up to 13" laptop Front zippered valuables pocket & 2 side water bottle pockets Adjustable front bungee for easily stashing a jacket, pair of shoes or ball Main body fabric contains at least 90% recycled polyester, excluding trims & embellishments