Simply put, they can hold a lot of stuff, even bigger items that won't always fit into a handbag or briefcase
11 | $109,200 | Michael Schumacher Year: 2001 | Team: Scuderia Ferrari Manufacturer: Schuberth Auction House: RM Sotheby's | Date of Sale: September 6, 2023 Official Auction Page Link This helmet was used once in a race by Michael Schumacher during the 2002 Belgian Grand Prix

Lululemon 2-in-1 Travel Duffle Backpack 45L Doubles as a duffle and backpack Plenty of pocket space for clothes, shoes, equipment and more Water-repellent fabric dries in seconds Can be carried for quick travel Pricey, but you get your money's worth FocusGear Ultimate Gym Bag 2.0 10 total compartments Affordable and versatile (for outdoor or travel) Hidden water-resistant pocket for storing wet clothes and trunks Fits up to a men's size 14 shoe Fabric isn't as tough as others we've tried KNKG Core Duffel Medium (35L) Impressive organizational system Extremely durable Great value Cool limited edition colorways A touch bulkier than other versions Dagne Dover Landon Neoprene Carryall Bag Made with water-resistant and washable high-tech fabric Air mesh pouch for all your essentials Laptop sleeve fits most 16 laptops Comes with a shoe bag and dust bag Can't pack too much when wearing as a crossbody (heavy) Mack Weldon Atlas Duffle Keeps belongings dry from light rain and moisture Insulated side pocket for snacks and drinks Rubber bottom Ventilated shoe compartment Limited colorways GORUCK Rucker 5.0 Extremely tough and rainproof Can be incorporated into workouts Reflective details for nighttime visibility Pricier than others on the list, but quality overrules the price Lululemon 3-in-1 Gym Duffle Bag 30L Designed to function as a duffle, crossbody, and backpack Water-repellent fabric Separate compartments for shoes and sweaty gear Exterior pocket fits most shoes up to men's size 14 Shoulder strap is a little long Gymshark Sleek Backpack Convenient dual front zip pockets Completely waterproof Less storage than other options on this list What to Consider Shell Materials Choose a durable, water-resistant material like nylon, neoprene, or canvas

And last but not least, on the bottom of the pack, there is ANOTHER pocket that houses a built-in rain fly, which is made to fit PERFECTLY over the edges of the packs frame
Want to stop for ten minutes to watch the sailboats
TSA Friendly Its up to you whether or not you want to use your toiletry bag to carry on liquids with you onto the plane