Meet the Twinner—a medium-size daypack that's perfect for school or light hiking. With a large main pocket featuring a sturdy double-pull zipper that opens wide to easily fit even the largest textbooks, plus "twin" front pockets with Velcro-closing lids that make this backpack uniquely organizable, this friendly companion is hand-sewn in the USA from durable 400D Packcloth for years of everyday adventures. Specifications Dimensions Capacity 16"H x 13"W x 5"D 17 liters Features: Material: Durable 400-denier Packcloth Large main pocket: Sturdy double-pull zipper opens wide for textbooks "Twin" front pockets: Velcro-closing lids for unique organization Two elastic-topped side water-bottle pockets: Hydration accessible (standard version) Foam-padded backpack straps: Comfortable carry (standard version) Reversible reflective stripe: Hides during day, reveals at night for safety Simplified version available: Unpadded backpack straps, no water bottle pocket Machine washable: Easy to clean Water-resistant: Protects your gear Made in USA: Handcrafted in America Perfect For: School - Large main pocket fits textbooks Light hiking - 17-liter capacity Daily carry - Medium-size daypack Organization - Twin front pockets with Velcro lids Night safety - Reversible reflective stripe Anyone who values unique organization - Twin front pockets What Makes the TWINNER Special Crafted in the USA Made in America - Handcrafted in the USA 50+ years of expertise - We've been perfecting backpack design since 1970 Precision construction - Every seam, every stitch placed with care and attention Supporting American manufacturing - American jobs and craftsmanship Quality you can feel - From the 400D Packcloth to the twin front pockets, craftsmanship shows in every detail Uniquely Organizable 17-liter capacity - 16" x 13" x 5" medium-size daypack Large main pocket - Double-pull zipper opens wide for textbooks Twin front pockets - Velcro-closing lids for unique organization Two water-bottle pockets - Elastic-topped side pockets (standard version) Foam-padded straps - Comfortable carry (standard version) Reversible reflective stripe - Safety at night The Tough Traveler Difference Since 1970, we've been making bags the right way. The Twinner represents our commitment to medium-size daypacks that are uniquely organizable. When you choose American-made, you're choosing backpacks built by people who take pride in their craft, backpacks designed with twin front pockets and wide-opening main compartment for years of everyday adventures. Learn more about how we make our products →