Herschel Supply Co. Classic XL Backpack. The Classic XL features a roomy main compartment with a laptop sleeve. Front pocket is a perfect place to stash your smaller items. This backpack also includes a side water bottle pocket so you can always keep yourself hydrated. Padded back panel and padded and adjustable shoulder straps makes carrying your stuff around a little more comfortable. Branded patch on front pocket. Small flag label on back right strap. Volume 30L. 18" H x 13" W x 6.75" D. Shell: 100% recycled polyester, with a thermoplastic elastomer coating. Lining: 100% recycled polyester with a polyurethane coating. Fill: polyethylene foam. Mesh: 100% polyester. Exclusive of trims. Imported.