This duffel by REI Co-op is meant for longer trips, with the capacity to hold enough stuff for up to seven days. The Big Haul design has been around for a while—and also comes in 40- and 90-liter sizes—but recently underwent a sustainability upgrade. It's now made from recycled, durable ripstop and ballistic nylon. All the materials are bluesign®-approved, and even the polyester is recycled.

One of this duffel's most praised qualities is its adaptability: You can carry it as a backpack or throw it over your shoulder, and the shoulder straps can be stowed if you plan to check the bag on a flight or shove it into an overhead bin. You can also remove the handles completely, and there's an internal strap system to help you compact larger loads. If you're packing for a week, you'll also need to stay organized: The Big Haul 60 has mesh pockets inside to keep small items contained, although you may wish for a few more compartments to hold your dirty laundry. (The whole bag also stuffs down into its own sack, so it's easy to store when not in use.)

One customer-reviewer calls the duffle's design "almost perfect," saying, "The amount of handles all around is great, the material will resist water from a light rain or spill, and the daisy chain on the side was a genius add in case you got bottles or helmets or anything that would not make sense to put inside." Buy here.

Smaller than the REI Co-op Big Haul, The North Face Base Camp Voyager Duffel still offers enough space for a (long) weekend trip. The water-resistant cover is ideal if you get caught in a rainstorm, while the double stitching and recycled polyester tarpaulin material lining the outside add durability. Like the Big Haul, you can carry the Voyager as a backpack or a duffel: The backpack setup is especially helpful if you'll need to walk a ways with a heavy load. The Base Camp Voyager 42 L contains a divider inside to help you stay organized and includes a laptop sleeve, plus a small pocket to hold items that might get lost in transition.

One REI customer-reviewer from St. Paul, Minnesota, reports that the bag held four days' worth of gear on a trip around Arizona and Utah. "It strapped well on top of another bag and to the back of a motorcycle. It held my hiking shoes when I was riding and my boots when I was hiking. The compartments kept my things organized and easy to access. The straps were quick to store and quick to use. The bag even survived its first light snow and freezing rain ride." Buy here.

If you're looking for a duffel that won't break the bank but you don't want to sacrifice function or durability, the Roadtripper 60 from REI Co-op is worth considering. It's made with water-resistant, bluesign®-approved recycled polyester, and can be carried with handles or a shoulder strap. (No backpack straps on this one.) It also contains daisy chains on the outside—helpful for lashing on a jacket or water bottle—and it comes with a packing cube to keep you organized. After your trip, the bag stuffs into the cube for storage.

The Roadtripper works well as a simple bag for holding climbing or hiking gear, and the price point makes it perfect as an extra bag—pack it empty and use it to tote home new treasures you acquired on your trip. The affordable duffle might not be the most durable option on the list, but it can survive a decent bit of wear and water without compromising the gear inside.

One Colorado-based customer-reviewer attests, "I've used this bag as a drop bag for ultramarathons and it works great! It's water resistant and fits shoes, extra clothes, a jacket and other gear/supplies." Buy here.

The OG of duffels, the Black Hole from Patagonia is virtually indestructible for regular adventuring. I've had this duffel for nearly five years and it's no worse for the wear even after multiple flights, road trips and outdoor activities. I've packed this full for camping weekends with little kids and carried it to the gym on a daily basis; the bag even survived getting lost at an airport. Still, it looks the same as the day I bought it. The Black Hole comes in varying capacities (40 liters and 70 liters, plus a 25-liter travel pack) and boasts all recycled materials. We like the 55-liter duffel because it's the perfect size for an overnight or a four-day trip, but still fits in small spaces like an overhead bin on an airplane. The outside is ripstop polyester covered in a water-resistant laminate that keeps out rain or airport dampness, and the bag has also been treated with DWR for an extra dose of durability.

"I use this to drag a weekend's worth of clothes, coats, laundry, books and work papers and electronic stuff to the cabin, and the huge opening and tough fabric are perfect," says one customer-reviewer from northern California. "For the non-rolling bag situation, this is a good choice, and it has enough structure to stay open while packing."

The inside of the bag is well divided for organized packing: There's a mesh interior pocket for small items, and another external pocket for chargers and toiletries. The removable shoulder straps are padded, making this bag quite easy to carry as a backpack, and the reinforced handles are optimal for long airport walks. You can also fasten gear to the outside, or attach this bag to another using the haul loops. Buy here.

A smaller canvas duffel with a less-athletic look, the Thule Aion is ideal for shorter trips because it offers split packing—in other words, there are two compartments to separate your clean clothes from the dirty ones. It's also small enough to strap to the top of a roller bag (and has a pass-through panel specifically for this purpose), and it contains dedicated laptop storage. If you often travel overnight for work, this is the bag for you. "I shopped around a fair bit looking for a weekend bag that could stand up to some rough times in airports and on buses and trains, but still look classy," says one customer-reviewer, who packed a few changes of clothes, an extra pair of shoes and toiletries with ease.

The Aion is made with recycled polyester and water-repellent waxed canvas. There's a removable padded shoulder strap that you can use to carry the bag over your arm or crossbody and an easy-to-access storage pockets on the top of the bag for anything you need to quickly grab. Buy here.

The Double Haul 55 from NEMO converts between a duffel and a tote, making it ideal for a number of activities: carrying gear to camp, spending the day at the beach or a weekend trip visiting friends. It can be carried backpack-style with padded straps, over the shoulder as a duffel or as a tote—and it expands to 75 liters when used as the latter.

“It's like the Swiss Army Knife of haul bags,” says one customer-reviewer from Utah. “The 55 L goes a long way and I can put a ton of stuff in there. I've used it on weekend trips to carry all my clothes, warm overlayers, toiletries and shoes, and still had plenty of room to spare.”

Recycled, bluesign®-approved 420-denier nylon provides the durable exterior fabric that resists water and stains and wipes down easily. Packing-cube-inspired storage space includes zippered interior and exterior pockets, and customer-reviewers appreciate the reinforcement in the bag’s frame that keeps it propped upright for easy stuffing. And not only is the bag protected by the NEMO Lifetime Guarantee, but it’s also designed to be repairable and, eventually, resellable. Also available in 30 L, 70 L and 100 L sizes. Buy here.

The sleek Daylite 30 duffel from Osprey is ideal for the gym or the office, but it can also be used for quick overnight cabin retreats or work out-of-towners. Grab the handles and go or strap it on as a backpack to keep hands free. Several customer-reviewers note that it’s easy to carry on most airplanes, though you should always check your airline’s policies.

“Very well made and just the size I wanted,” said one REI customer-reviewer from Texas, who appreciates that the Daylite has a bit more structure than a usual duffel. The bluesign®-approved recycled 300-denier polyester means durability in the locker room and overhead compartments, and a nonfluorinated durable water repellent (DWR) treatment keeps water off of tomorrow’s clothes. Its large main compartment comfortably fits a spare outfit and workout shoes, and four zippered side pockets help keep small items ruly, even if your day gets hectic. Also available in 45 L and 60 L sizes. Buy here.