Almost perfect
"A great hydration pack—the drawstring closure is a nice touch, and it's lightweight and comfortable. It could use some compartments to help organize the contents of the large back pocket."
RK15 ULTIMATE GREY BAG
15L Trail Vest Bag
185g
119,99 €
Gray
Paiement en 4x sans frais dès 70€
Pay in 4 installments with no fees on orders of €70 or more
RK15 Bag RK15 15-liter hydration vest for trail running
Designed for endurance and performance, the RK15 as the essential companion for the most demanding ultra-trail runners.
Weighing a mere 185 g and offering a generous 15-liter capacity, it strikes the perfect balance between extreme lightness and ample carrying capacity.
Designed down to the smallest detail, the Dynamik Lock tightening system allows for dynamic, precise adjustments on the run, ensuring maximum stability and consistent comfort, even on the most technical terrain.
Each pocket has been strategically positioned to ensure intuitive organization of your gear. You can compartmentalize your equipment based on priority of access, making transitions and movements easier while running.
Designed with the innovative Thintex80 fabric, the RK15 completely RK15 the bouncing sensation often found in traditional trail running vests. Its technical structure hugs the body perfectly, offering remarkable stability, even during intense movement.
The fabric is also water-repellent, providing effective protection against moisture for a more comfortable run regardless of the conditions.
📸 Non-contractual photo: hydration pack shown with 500 ml water bottles and HYDROLOCK mouthpieces.
Carrying Capacity
15 L.
Weight
185 gr
Number of pockets
10
Water-repellent
Yes
Distance
Long
Distance
Ultra
Competition
Yes
Training
Yes
Overall rating: 4.3333335 / 5 based on 15 reviews.
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Review Highlights
Reviews
A very good product, but. . .
"A very good vest—it runs slightly small but fits well thanks to the adjustment dial. I used it on a 60k trail run with the 2L Hydrocore bladder and two 500ml bladders on the front. The only downside is that the 500-ml bottles, with their rigid bases, cause pain in my ribs despite the anti-chafing reinforcements on the vest. I’m not sure if this is because the vest is too tight or not tight enough. Otherwise, it’s a great product."
As described
"I'm a big guy with a chest circumference of 120 cm, and I had a really hard time finding a comfortable vest that fit perfectly—and this vest completely met my expectations. I recommend this product."
Perfect!
"Perfect for trail runs—you don't even feel it, or the items in the back pocket. It stays in place while running, which is really nice. I have a size 2, and I definitely wouldn't want anything smaller."
RK15
"Size 2. A little tight when the side panels are full."
Very good equipment
"Overall, it's great gear, but it squeezes my chest a little too much."
Light, pleasant—what can I say about
"Lightweight, comfortable—what more can I say? Excellent gear."
R15 Evaluation Pack
"A great hydration vest that doesn't bounce around. hydrolock think the hydrolock pack is essential for getting the most out of the vest. After my training sessions, I'll still have the real-world test to go through starting in late March."
Functional Bag
"It's practical with all its pockets, but be careful—it runs very small. For runners with a V-shaped, very muscular build, don't rely solely on the chest measurement. So, while waiting for the size 3 or 4 bag—which is currently unavailable—instead of size 2, which had been recommended based on the chest measurement."
Stunning
"The bag is great, thanks"
Q&A
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RK15 ULTIMATE GREY BAG €119.99