Nathan 8-Ounce Nutrition Flask with Race Cap (3-Pack) Save 19% off

The Nathan Hydration belt came with 4 8 oz. bottles, 2 with nutrition cap and 2 with more traditional ''pull up'' cap.

I use the bottles mainly for running long distances (training for half-marathon). I was used to the 25 oz. Camelbak but grew tired of cleaning it and hard a hard time knowing how much water to ration on long runs. These bottles are top rack dishwasher safe.

I ran 10 miles with it the first day and had no problems. They don''t noticeably bounce. They are easy to pull out and put back in the holster. I use the front 2 when I am running, and then when they are empty, I easily shift them to the back and move the back (full) bottles to the front. I also use 2 for water and 2 for sports drinks on my long runs. I even ran a 5 mile race and had no issues.

I find the product extremely useful for drinking fluids. I haven''t tried to eat a gel yet. However, I find the nutrition cap bottles superior to the pull up and ordered 3 more.

Negative: Will leak if turned upside down (e.g. when stretching but never when running) so I take off the belt while I stretch. The pull up bottle I found to leak even when running so I will only use them if I am walking.

I bought these to go with a running belt I already had and they are awesome. They were great to have with me. The tops were great, no mess and I didn''t have to try to get the top pulled up on the bottle like I do with the bottle that came with my belt. These are much easier to run with that the first one I got. I didn''t have any leaking problems either and they are easy enough to clean.

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I got these so I would have some replacement bottles for my running belt (also Nathan''s). I love these bottles. They are easy to use (valve in opening means you just have to squeeze) and strike the perfect balance between weight and volume of water.

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I purchased this for about $13 to have replacements for the running fuel belt. While the condition of these bottles are great, the cost of these bottles could have been better.

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I''ve used a Nathan Speed 4 belt with two of each type of bottle for a year now. I find that I prefer the ease of use of the race caps over the pull-up closable caps. My experience is that BOTH the race caps and the pull-up caps will leak when drinking but the race cap leaks MUCH less for me. I get leakage around the threads where the cap screws on. The pull-up caps also leak at the base of the part that pulls up, making a bigger leak. Both bottles will also leak if you wear the belt while stretching so I take my belt off to stretch.

I like the race caps but put off buying a whole new set of bottles when I only wanted to change two caps. But after a year of regular use, one of my bottles sprang a leak in the middle of the side where the plastic flexes during drinking (when it is squeezed). If not for this failure, I''d rate these bottles 4 stars for the race caps.

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