How to Choose a Running Hydration Vest

The small but mighty Osprey Dyna 1.5 hydration vest for women offers up a slim, comfortable carry for runners looking for hydration to keep them in-stride, miles after their last support station.
Imported.
View all Osprey Running Hydration Vests| Best Use | Trail Running |
|---|---|
| Gear Capacity (L) | 1.5 liters |
| Gear Capacity (cu. in.) | 92 cubic inches |
| Reservoir Compatible | Yes |
| Reservoir Included | Yes |
| Bottle(s) Included | None |
| Liquid Capacity (L) | 1.5 liters |
| Liquid Capacity (fl. oz.) | 50.7 fluid ounces |
| Number of Exterior Pockets | 8 |
| Weight | 6 ounces |
| Material(s) | Main: bluesign approved 320 g recycled nylon stretch-mesh; Accent: bluesign approved 200 g recycled nylon stretch-mesh |
| Bite Valve Shut-off Switch | Yes |
| Fits Chest | L: 35-41 inches |
| Dimensions | 14.6 x 14.2 x 5.1 inches |
| Gender | Women's |
| Sustainability | Contains materials that meet the bluesign® criteria Contains recycled materials |
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I absolutely love this vest. I've used it for a half marathon, and tons of trail runs and mountain bike rides. It is breathable, and doesn't shift around on your back; you barely notice its there! All of the pockets are incredibly helpful for holding gels/snacks/headphones/your phone/whatever. More than enough carrying space for a half marathon and beyond.
Felt stable and didn’t move around. Lots of great pockets. The bladder and nipple is slightly less quality than regular osprey systems. There are some loops and clips I haven’t figured out yet. I’m usually a 36B and went for a medium.
My previous hydration vest was from another well known company, while the previous universal fit hydration vest did well, the cut of the Dyna which is specific for women fits so much better! There is less bouncing, less chafing, and the numerous easy to access pockets provide greater access without the need to alter your pace. The straps for the womens fit are appropriate as there is not additional "bulk" for a universal fit. The reflective details make this vest great for early morning/evening runs as well. So glad I made the switch.
Do not recommend this product. I purchased it for trail running/half-marathon running and tried it several times, each time with the lower stitching on the back tearing up my skin. Wearing a bra and t-shirt did not change the open sores this vest created. Also, I was unable to start using this immediately after purchase due to health reasons, so when I started to use it and noticed the sores I wanted to try and return it. Unfortunately I had just barely passed the year mark on returns and REI was not willing to provide a return on the product. Disappointed in REI as a long-standing member.
This running vest has been an awesome buy, it doesn't chafe ur arms as u run and it stays firmly in place. The only thing i would recommend is a zippered pocket on ur right side, so you can store items that need to stay dry, like car key fobs or cash.
LOVE this vest. Even with a full bladder it's super light-weight. Didn't rub my skin anywhere and it stayed in place.
Had the old version in high school and have the new version now. Best vest. I'm slightly taller and I like that it hits only barely beneath my sports bra. No chafing, light, lots of storage.