SealLine Boundary Pack
Outdoor Research Airpurge
Osprey Ultralight Drysack
Outdoor Products 3-Pack All Purpose
Sea to Summit Hydraulic
Awards    Best Buy Award  
Price $104.95 at Amazon$49.95 at Backcountry
Compare at 2 sellers
$12.95 at Backcountry
Compare at 2 sellers
$9.99 at Amazon$170 List
Overall Score Sort Icon
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Pros Durable, waterproof material, easy to carry, welded seams, good packable shapeWaterproof for short submersions, lightweight, easy to close appropriatelyLightweight, rectangular shape3 bag set, weather-resistant, small handy sizes, simple design, inexpensiveEasy to carry, comfortable
Cons Harness is very involved to remove, uncomfortable for long distances, too short to easily get three rolls inVery tall and skinny shape, compression is awkward, fabric eventually soaksDelicateDurability concerns, clumsy construction, 10L bag very narrowNot completely watertight, expensive
Bottom Line This pack is highly portable but we find its features a bit cumbersome to usePretty much waterproof, but a bit challenging to useFor backpackers and day hikers, this model is a packing cube dry bag hybridWith decent weather resistance, this 3-pack of bags won't break the bankA versatile combination of a classic roll-top dry bag and a backpack
Rating Categories Boundary Pack Airpurge Ultralight Drysack 3-Pack All Purpose Hydraulic
Waterproofness (50%)
6
8
6
6
5
Ease Of Use (30%)
7
4
8
6
6
Features (10%)
7
7
6
7
7
Durability (10%)
8
5
3
4
8
Specs Boundary Pack Airpurge Ultralight Drysack 3-Pack All Purpose Hydraulic
Weight (ounces) 41.6oz 4.8oz 1.6oz 0.7oz (2L), 1.0 oz (4L), 1.5 oz (10L) 36.8oz
Size We Tested (liters) 35L 15L 20L 2L, 4L,10L 35L
Closure Type Roll-top Roll-top Roll-top Roll-top Roll-top
Included D-Rings? No No No No No
Style Roll-top backpack Roll-top w/ compression straps Roll-top Roll-top, 3-pack Roll-top backpack
Material 1000D vinyl-coated polyester 70D with TPU-coated nylon 40D nylon ripstop Polyurethane coated ripstop 60% cotton, 40% rayon 600D TPU laminated nylon
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