I Took 5 Trips in 6 Months. My Go-To Weekender Bag Was This Surprisingly Spacious Backpack. November 21, 2023 Bryan Delay Articles A person wearing the Cotopaxi Allpa 35L travel backpack. Illustration: Dana Davis; Photo: Caleigh Waldman. Early Black Friday Deals. Source: Backpacking & Water Filtration