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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 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…
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 1000ml Wide Mouth Bottle Aubergine Nalgene 1000ml Wide Mouth Bottle Aubergine save
£13.99
£12.59
Web Deal
4 in stock
Nalgene 1 Litre Wide Mouth Bottle. The most popular bottle from Nalgene, available in a variety of colors to help brighten up anybody’s gear. The large opening on the wide-mouth bottles easily accommodates ice cubes, fits most water purifiers and filters, and makes hand washing a breeze. The attached loop-top never gets lost and screws on and off easily. Printed graduations let keep track of your…
Nalgene 1000ml Wide Mouth Bottle Blue Nalgene 1000ml Wide Mouth Bottle Blue save
£13.99
£12.59
Web Deal
4 in stock
Nalgene 1000ml Wide Mouth Bottle Blue. Dishwasher safe (Please make sure the top does not touch the heating element, or it will melt). Volume: 1000ml Height: 215mm Diameter: 89mm Cap Diameter: 63mm Weight: 178g Bpa Free Phthalate Free Made From Tritan
Nalgene 1000ml Wide Mouth Bottle Cerulean Nalgene 1000ml Wide Mouth Bottle Cerulean save
£13.99
£12.59
Web Deal
3 in stock
Nalgene 1 Litre Wide Mouth Bottle. The most popular bottle from Nalgene, available in a variety of colors to help brighten up anybody’s gear. The large opening on the wide-mouth bottles easily accommodates ice cubes, fits most water purifiers and filters, and makes hand washing a breeze. The attached loop-top never gets lost and screws on and off easily. Printed graduations let keep track of your…
Nalgene 1000ml Wide Mouth Bottle Clear Green Top Nalgene 1000ml Wide Mouth Bottle Clear Green Top save
£13.99
£12.59
Web Deal
4 in stock
Nalgene 1000ml Wide Mouth Bottle Clear.  Dishwasher safe (Please make sure the top does not touch the heating element, or it will melt). Volume: 1000ml Height: 215mm Diameter: 89mm Cap Diameter: 63mm Weight: 178g Bpa Free Phthalate Free Made From Tritan
Nalgene 1000ml Wide Mouth Bottle Clementine Nalgene 1000ml Wide Mouth Bottle Clementine save
£13.99
£12.59
Web Deal
4 in stock
Nalgene 1 Litre Wide Mouth Bottle. The most popular bottle from Nalgene, available in a variety of colors to help brighten up anybody’s gear. The large opening on the wide-mouth bottles easily accommodates ice cubes, fits most water purifiers and filters, and makes hand washing a breeze. The attached loop-top never gets lost and screws on and off easily. Printed graduations let keep track of your…
Nalgene 1000ml Wide Mouth Bottle Grey Nalgene 1000ml Wide Mouth Bottle Grey save
£13.99
£12.59
Web Deal
5 in stock
Dishwasher safe Volume: 1000ml Height: 215mm Diameter: 89mm Cap Diameter: 63mm Weight: 178g Bpa Free Phthalate Free Made From Tritan
Nalgene 1000ml Wide Mouth Bottle Melon Ball Nalgene 1000ml Wide Mouth Bottle Melon Ball save
£13.99
£12.59
Web Deal
2 in stock
Nalgene 1 Litre Wide Mouth Bottle. The most popular bottle from Nalgene, available in a variety of colors to help brighten up anybody’s gear. The large opening on the wide-mouth bottles easily accommodates ice cubes, fits most water purifiers and filters, and makes hand washing a breeze. The attached loop-top never gets lost and screws on and off easily. Printed graduations let keep track of your…
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.

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