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The 4Monster Hiking Daypack is a water-resistant, ultra-lightweight (2.1 oz) and packable backpack crafted from durable 30D tear-resistant nylon. Designed for outdoor enthusiasts, it folds compactly to fit in your pocket while offering practical storage with secure compartments and a keychain. Perfect for hiking, camping, and travel, it combines rugged durability with sleek portability to keep your essentials safe and dry on every adventure.







| ASIN | B08M5PCXBN |
| Best Sellers Rank | #8,748 in Sporting Goods ( See Top 100 in Sporting Goods ) #153 in Camping & Hiking Bags, Packs & Accessories #115,339 in Luggage & Travel Gear |
| Customer reviews | 4.5 4.5 out of 5 stars (1,028) |
| Date First Available | 12 September 2025 |
| Department | unisex-adult |
| Item model number | Backpack |
| Manufacturer | 4Monster |
| Product Dimensions | 18.03 x 29.97 x 46.99 cm |
M**E
Love this brand so much!!! This fanny pack is perfect to sit Over/under my main 70L Deuter hiking pack, comes with a tiny stuff sac that stays inside the fanny pack when in use. Exactly the size of 1 pack of cigarettes is how small it packs down to. Cuz that is all that will fit into the tiny stuff sac. Even the zippers are sealed properly. Just large enough for my meds, a pack of gum, doobies, extra smokes and 1 snack; The things that I access constantly while on a hike. Took about 1lb exactly out of my pack and off my back, can't even feel it on me when my my pack on too. I clip this fanny pack on first then the main pack over the strap in the back and the main pack clips under the fanny pack in the front. It's perfect!! I ordered this brand of fast dry camp towel (almost like a chamois), it was a little small (was my fault, chose wrong size) and I ordered a sea to summit In the next size up, their exactly the same right down to the vented case the come in. Exact same quality and seam stitching, tags everything. And the 4 monster is definitely lower priced than anything sea to summit, I highly recommend this brand, from a serious hiker. Will see this used on my youtube: Megan S. Hiking with a Purpose. I washed my hair in the chagrin falls river on my thru-hike attempt, used it to dry my hair.. and it really did dry my hair and then the towel was dry almost completely with just 6 hard snaps to shake the water out!!! Also used it at a camp ground, and used the wall mounted blowdryer to dry the towel, was completely dry in just minutes.
A**E
Tolle Gürteltasche! Hat innen noch mal einen Reißverschluss. Sehr gutes Material.
C**S
I cannot say enough good things about this fanny pack. It's super lightweight, has loads of storage, and packs down very very small and easily into the included-attached pouch. The quality is fantastic! It has an outside zipper that easily fits my iPhone 12pro, and large main pouch, and a small inner pouch. Love love love this pack!
A**R
SUPER lightweight fanny pack. Perfect for travel as it folds up into a very small package with the included attached stuff sack. The stuff sack is NOT removable, so you'll never lose it. The pack is made of rip-stop nylon coated on the inside for water resistance. That said, the stuff sack is note really needed as you could fold the pack into the smaller front pocket. The manufacturer could have saved manufacturing cost by eliminating the pouch & including a double sided zipper pull for smaller front pocket. The zippers are waterproof type that seal shut totally covering the zipper teeth. I like it a lot
N**.
Perfect if you want: 1) the smallest PACKABLE 2L sling 2) Well made (although note that it will eventually shed the inner liner) 3) it has multiple pockets 4) pretty easy to clean & durable 5) VERY QUICK and EASY to pack Some other bags needed a separate loose bag, this pack is attached by a cord 6) cell phone fits well in the back pocket This is nice because when I put the pack down, the cell phone is not on the bottom & thus will less likely hit the ground. In some slings in this category, there is one big pocket 7) key ring is a nice bonus 8) Water bottle option 24oz water bottle did not fit, not even close. But you could attach water bottles to the side handles 9) side handles I don't know exactly what these are for, but they could hold water bottles or anything I am climbing with Why 4 stars - negative: 1) I know eventually the inner liner will come off. I wish it was a different material The good news: It has not happened yet!! Yeahh!! Added notes: * r/manybaggers has a spreadsheet of all the packable bags - this one beats all of the ones listed * r/manybaggers smallest pack is twice the size of this one * All the ones they listed are better made & will last longer, but none of them pack this tiny The manybaggers group does not mention this packable sling, although it would be nice. I'm not sure who owns the list, but it is AMAZING otherwise.
Trustpilot
2 weeks ago
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