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Hydration Bladders, Flasks & Bottles

Outdoor Hydration - Complete Outdoors

2.5 million plastic bottles are binned hourly in the United States alone. Using a reusable bottle instead of disposable bottles means that you'll save at least 167 bottles from landfills in 1 year! A small change can make a big impact. Switching to a reusable alternative also saves money in the long term - especially as these products are robustly designed to last year after year.

You can find a wide range of hydration bladders, flasks and water carrying bottles at the Complete Outdoors - one of the largest, independent stockists of outdoor equipment in the South East. From Nalgene bottles to Cambelbak water bladders, we offer competitive prices on all outdoor gear.

CamelBak Crux Reservoir 1.5L Blue CamelBak Crux Reservoir 1.5L Blue save
£29.99
£26.99
Web Deal
2 in stock
Camelbak Crux Reservoir 1.5L. Providing 20% more water per sip, the Crux reservoir also has an ergonomic handle for easy refilling and an on/off lever to prevent leaks. The perfect addition to any high energy activity. Offers 20% more water per sip Leak-proof cap is easier to open and close On/off lever to seal your drinking tube with one hand Hydroguard technology inhibits the growth of bacteria…
CamelBak Crux Reservoir 2.0L Blue CamelBak Crux Reservoir 2.0L Blue save
£34.99
£31.49
Web Deal
1 in stock
Camelbak Crux Reservoir 2.0L. Providing 20% more water per sip, the Crux reservoir also has an ergonomic handle for easy refilling and an on/off lever to prevent leaks. The perfect addition to any high energy activity. Offers 20% more water per sip Leak-proof cap is easier to open and close On/off lever to seal your drinking tube with one hand Hydroguard technology inhibits the growth of bacteria…
CamelBak Crux Reservoir 3.0L Blue CamelBak Crux Reservoir 3.0L Blue save
£39.99
£35.99
Web Deal
1 in stock
Camelbak Crux Reservoir 3.0L. Providing 20% more water per sip, the Crux reservoir also has an ergonomic handle for easy refilling and an on/off lever to prevent leaks. The perfect addition to any high energy activity. Offers 20% more water per sip Leak-proof cap is easier to open and close On/off lever to seal your drinking tube with one hand Hydroguard technology inhibits the growth of bacteria…
CamelBak Eddy + 0.75L Bottle Green CamelBak Eddy + 0.75L Bottle Green save
£18.99
£17.09
Web Deal
1 in stock
CamelBak Eddy+ 0.75L Bottle Green. Flip, bite and sip with even more ease thanks to this newly redesigned Eddy+ bottle! The improved bite valve design provides 25% more flow, while the universal cap ensures that your drink is leak-proof when closed and spill-proof when open. The easy carry handle allows you to transport your Eddy+ with ease, while the carefully chosen materials used by CamelBak en…
CamelBak Peak Fitness Chill 17oz Black/Silver CamelBak Peak Fitness Chill 17oz Black/Silver save
£18.99
£17.09
Web Deal
1 in stock
CamelBak Peak Fitness Chill 17oz Black/Silver. Poised to become your new favourite workout partner, this bottle offers double-walled insulation to keep your water cold for twice as long. CamelBak have utilised a revolutionary triangular tapered design for optimized hand fit and better standalone stability. Other features include high flow, a self-sealing cap, an easy-to-drink interface and a Clean…
CamelBak Peak Fitness Chill 17oz Plum/Pink CamelBak Peak Fitness Chill 17oz Plum/Pink save
£18.99
£17.09
Web Deal
1 in stock
CamelBak Peak Fitness Chill 17oz Plum/Pink. Poised to become your new favourite workout partner, this bottle offers double-walled insulation to keep your water cold for twice as long. CamelBak have utilised a revolutionary triangular tapered design for optimized hand fit and better standalone stability. Other features include high flow, a self-sealing cap, an easy-to-drink interface and a Clean Ca…
Klean Kanteen Classic 532ml Sport Cap Bottle Lemon Curry Klean Kanteen Classic 532ml Sport Cap Bottle Lemon Curry save
£16.95
£15.25
Web Deal
1 in stock
Klean Kanteen Classic 532ml Sport Cap Bottle Lemon Curry. This stainless steel water bottle showcases the original design that started Klean Kanteen's journey, and it's easy to see why it was such a success! Utilising a single wall design, the Classic is lightweight, small and easy to bring along to any adventure. Klean Coat provides a powder coat finish that is 4 times more durable, chip-resistan…
Klean Kanteen Classic 532ml Sport Cap Bottle Sea Crest Klean Kanteen Classic 532ml Sport Cap Bottle Sea Crest save
£17.95
£16.15
Web Deal
1 in stock
Klean Kanteen Classic 532ml Sport Cap Bottle Sea Crest. With easy hydration in mind, this trademark stainless steel water bottle is a lightweight and compact choice for water on-the-go. The Klean Coat powder coat finish is 4x more durable, chip-resistant and safer for the environment than your average water bottle. 18/8 Stainless Steel construction. Klean Coat™ powder coat finish is 4X more durabl…
Klean Kanteen Classic 532ml Sport Cap Bottle Wild Orchid Klean Kanteen Classic 532ml Sport Cap Bottle Wild Orchid save
£17.95
£16.15
Web Deal
1 in stock
Klean Kanteen Classic 532ml Sport Cap Bottle Wild Orchid. With easy hydration in mind, this trademark stainless steel water bottle is a lightweight and compact choice for water on-the-go. The Klean Coat powder coat finish is 4x more durable, chip-resistant and safer for the environment than your average water bottle. 18/8 Stainless Steel construction. Klean Coat™ powder coat finish is 4X more dura…
Klean Kanteen Loop Cap Black Klean Kanteen Loop Cap Black save
£5.50
£4.95
Web Deal
1 in stock
Klean Kanteen Loop Cap Black. For those who appreciate simplicity and function, this loop cap is an ideal choice! Compatible with Classic Klean Kanteens, this loop cap ensures you can transport your drinks safely without the fear of drips and leaks. Handy attachment loop Cap is leakproof Dishwasher safe Compatible with Classic Klean Kanteens only Easy Clean, BPA Free Weight: 28.3 g Size: 69.9 x 50…
Klean Kanteen Stainless Bamboo Cap Klean Kanteen Stainless Bamboo Cap save
£10.00
£9.00
Web Deal
1 in stock
Klean Kanteen Stainless Bamboo Cap. Creating an 100% stainless environment, this 18/8 unibody cap ensures your drinks never touch plastic. The sustainably harvested bamboo top makes for a beautifully elegant finish, marrying style with practicality in this leakproof design. Sustainably harvested bamboo Handy attachment loop Cap is leakproof Cap creates an all-stainless interior Laser-etched logo P…
Nalgene 500ml Narrow Mouth Bottle Outdoor Red Nalgene 500ml Narrow Mouth Bottle Outdoor Red save
£11.99
£10.79
Web Deal
5 in stock
Dishwasher safe (Please make sure the top does not touch the heating element, or it will melt). Volume: 500ml Height: 178mm Diameter: 76mm Cap Diameter: 38mm Weight: 106g Bpa Free Phthalate Free Made From Tritan Capacity: 500ml Made of Eastman Tritan™ copolyester, and is BPA Free Dishwasher safe (top rack only) Just make sure the cap does not touch the heating element Everyday bottles have superio…
Nalgene Straight Side Wide Mouth Jar 1000ml Nalgene Straight Side Wide Mouth Jar 1000ml save
£5.00
£4.50
Web Deal
10 in stock
Nalgene Straight Side Wide Mouth Jar 1000ml. Originally designed for lab use,these bottles are great for use at home or on the campsite.
Platypus Duolock Soft Bottle 1L Ora Skyline Platypus Duolock Soft Bottle 1L Ora Skyline save
£14.99
£13.49
Web Deal
2 in stock
Platypus DuoLock SoftBottle. Double the leak protection, this bottle features a ground-breaking dual-locking cap that will not accidentally flip open. A flexible bottle that is easy to carry and store, perfect for everyday adventures. Highly packable: Easily flattens and rolls up when empty, saving space Secure: Patent pending DuoLock™ dual-locking cap won’t accidentally flip or twist open, averti…
Platypus Hoser 2.0L Platypus Hoser 2.0L save
£25.00
£22.50
Web Deal
8 in stock
Platypus Hoser 2.0L. This ultralight, minimalist hydration system has become an expedition classic, offering on-the-go hydration without having to take your backpack off. The versatile and durable design means that the Hoser will have no trouble keeping up with the rough and tumble the hiking and backpacking lifestyle. As well as this, Platypus guarantee taste-free hydration, with a self-sealing H…

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