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Your cart is empty.The Sea to Summit Watercell ST is a lightweight, collapsible water storage bag for backpacking, camping, bikepacking, paddle sports, expeditions, and adventure travel. Its 3D molded shape features an internal baffle for easier filling, packing, draining, and drying. Made from abrasion-resistant, semi-translucent, food-grade TPU, with RF welded seams. The screw-top wide-mouth opening is compatible with industry standard water filtration systems and replacement lids. A low-profile welded fill-handle provides one-handed manageability, while strong, streamlined grab-handles double as lash points. The Sea to Summit Watercell ST is available in three sizes: 4-liter water reservoir measures 11 x 8.5 x 4 inches and weighs 4.4 ounces; 6-liter water reservoir measures 13.75 x 9 x 4.25 inches and weighs 5.3 ounces; 10-liter water reservoir measures 16.5 x 11.25 x 5 inches and weighs 6.7 ounces. BPA, PVC and taste-free. Sea to Summit products are guaranteed against defects in materials or workmanship for the lifetime of the product.
danny G.
Reviewed in the United Kingdom on September 25, 2024
Excellent for fitness training trail running extra weight in backpack. When weight becomes to much just empty out water and continue running. Much better than weighted vest!
Steven S
Reviewed in the United States on August 23, 2024
These water bladders are a must have for backpacking ease
Cassidy Lee
Reviewed in the United States on August 2, 2024
Bought this for backpacking but I’m not sure I’ll use it again. The material quality is good and it holds a lot of water. But it’s not easy to carry and the wide mouth and flimsy material make it so easy to spill water!Not sure I can use it for much except to have extra water JUST IN CASE on trips. Not very versatile.Didn’t notice a weird taste after I washed it - so that’s a plus!
D. C. Michael
Reviewed in the United States on August 12, 2024
Very helpful on a recent Philmont trek, for water transport for the group. Its best for refilling water bladders that have a large opening. it is less useful for refilling smartwater bottles with smaller openings.
brett menadue
Reviewed in Australia on February 11, 2024
There are two models of this product. This one only has a screw lid. Not an easy pour. If the cell is fullOf water it is impossible not to spill half before pouring. Get the one with the lid that doubles as a shower/spout. Oh and you can’t buy the lids separately, so mine went in the bin unfortunately.
Markus Rittmeyer
Reviewed in Germany on December 6, 2024
Ausgießen gestaltet sich aufgrund der großen Öffnung als ein wenig schwierig, dass große und ganze, wie Qualität und Verarbeitung überzeugen aber trotzdem!Würde mir noch einen kaufen, der eine hält aber wahrscheinlich sehr lange, bei ordentlicher Behandlung.Kaufempfehlung!!
Peter
Reviewed in the United States on October 5, 2024
Durable bag but water gets a weird taste from the plastic even after rinsing the bag multiple times.
Robert Bottom
Reviewed in the United States on July 18, 2023
I bought this to use on ADV motorcycle trips. It's compact, seems sturdy, but........dispensing water is going to be a PITA. All it has is a wide mouth filler, have a feeling that it ain't gonna work out well for dosing out small amounts of water. Lot of potential spill/ waste. Not a bad product by any means, but I'm looking for something better for my needs. I'll come with another use for this in my RV, but for a camping water supply, not going to cut it.
Tiana Gorsich
Reviewed in the United States on July 1, 2023
Where were these things 5 years ago?????? This solves so many problems on the trail - from the need to hike in water from a long ways away, to camping near a creek, and just wanting to splurge on lots of coffee and hot cocoa. Definitely a game changer
stephan.neulichedl
Reviewed in Italy on June 1, 2023
Ottimo acquisto
travis moore
Reviewed in the United States on April 5, 2022
Seems to be made good no leaks. I left water in it for 4 days and didn't have any bad taste. Easy to pour out of to fill something up.
Simeon
Reviewed in the United States on September 3, 2021
Been using regularly for a month. It's tougher than it looks. I love the measurement on the side, it's easy to fit in a pack, since it's more flexible than, say, and MSR Bladder. Best of all, it doesn't have a horrid taste. It's not completely tasteless, but it doesn't taste like the inside of a burning tire, like all the other bladders I've tried. Overall, a very good product.
Lapo
Reviewed in Germany on October 22, 2020
Habe lange nach etwas gesucht mit dem ich genug Wasser auf meinem Rad für unterwegs mitschleppen kann. Flaschen kriege ich leider nur Bedingt unter somit musste eine andere Lösung her.Das Teil hat sich bei mir bewährt. Letztens einen Abstürz auf einem Waldweg bei circa 15km/h vom Fahrrad gemacht.(Hatte ihn nicht ordentlich fest gemacht).Hat er überlebt und ist immer noch dicht. Griffe halten bisher auch einwandfrei, da hatte ich wirklich meine Bedenken.VG
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