

💦 Stay ahead of the pack with hydration that works as hard as you do!
Nathan’s 2-liter BPA-free hydration bladder combines durable TPU construction with a high-flow bite valve and quick-release hose for effortless hydration on the move. Engineered for runners, hikers, and cyclists, it fits seamlessly into Nathan Vapor Air vests and features an airtight seal to prevent leaks. Lightweight and easy to clean, it ensures fresh, flavor-free water throughout your toughest workouts.







| ASIN | B00NOEC53O |
| Batteries Included? | No |
| Best Sellers Rank | #103,936 in Sporting Goods ( See Top 100 in Sporting Goods ) #397 in Cycling Hydration Packs |
| Capacity | 2 Liters |
| Color | Transparent |
| Customer Reviews | 4.6 4.6 out of 5 stars (437) |
| Date First Available | 29 August 2014 |
| Department | Unisex |
| Global Trade Identification Number | 00717064910052 |
| Height | 3 inches |
| Included Components | hydration bladder |
| Is Discontinued By Manufacturer | Yes |
| Item model number | 4552N |
| Length | 7 inches |
| Manufacturer | Nathan |
| Material Type | Thermoplastic Polyurethane (TPU) |
| Number of pockets | 1 |
| Pocket description | Utility Pocket |
| Product Dimensions | 12.7 x 12.7 x 7.62 cm; 159 g |
| Season | continuity 2015 |
| Size | 2 Litre |
| Strap type | Shoulder Strap, Chest Strap |
| Style | Hydration Bladder |
| Tank volume | 2 Liters |
| Team | Nathan |
| UPC | 717064865222 717064910052 |
| Usage | running |
| Weight | 0.9 Pounds |
| Width | 5 inches |
I**S
⁃ I purchased this bladder as a replacement for the previous one I used in the Nathan Vapor Air men’s hydration vest. (Size L/XL) ⁃ It is a direct fit to the Nathan Vapor Air vest pouch at the back. ⁃ Sadly, it doesn’t come with the magnetic hose magnet that connects the hose bite valve to the vest itself on the Vapor Air. I went to the Nathan website, chatted with a representative and the representative sent me, for free, a magnet together with a hose. Thanks Nathan for standing behind your products. ⁃ It comes with calibrations and has a maximum fill line beyond/past which you can’t fill. ⁃ The clamp that closes the hydration bladder together works well and it is airtight/watertight. No leaks whatsoever from the top. ⁃ Wash the bladder with a vinegar plus lukewarm water solution the first time you use it and immediately after use, each time. Hang it to dry as I have seen people complain about mold on older hydration bladders that were not aired out properly. If you use colored fitness fluids eg Gatorade, hydration solutions, clean and rinse it immediately after running/use as the bag will start discoloring/adopting the color of the drink/solution. ⁃ I have used it in 2 full marathons and 3 long training runs and it has performed well. I hope that it shall last long. ⁃ The bite valve works perfectly. After using another bite valve from another hydration bladder that leaked after a few uses, I appreciate how easy it is to use the Nathan bite valve. You don’t have to twist it regularly to get the right amount of fluids coming out. ⁃ It has a quick disconnect tube that ‘feels right’ when you are connecting or disconnecting the tube/hose from the bladder. ⁃ Since I wash and rinse it of its contents after every use, I am able to use different fluids and not taste them after switching them between runs on different days. The taste doesn’t linger like it does on many plastic items. (But you have to wash and rinse it first.)
D**G
Love it! Was a perfect replacement for my old one!
S**H
Perfect for me, great easy to clean.
H**G
Fits well in my Nathan running vest. 2l is probably more than I need but it performs as advertised.
N**S
Exactly what it was said it was. Thanks
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