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Size

Flanges

350 ml

500 ml

Pay in 4 installments with no fees on orders of €70 or more

RK3 HEARTRUNNEUSE

Name: RK3 HEARTRUNNEUSE
Brand: KinetikAdrenalink
SKU: KINEBU-RK3HEA-RTR3
Price: 49.99 EUR
Availability: InStock
Rating: 5.0 (25 reviews)

3L Trail Vest Bag

65g

49,99 €

HeartRunneuse

Pay in 4 installments with no fees on orders of €70 or more

Women's Collections > HEARTRUNNEUSE

RK3 3-liter hydration vest for trail running

Designed by our team, this ultra-lightweight vest-style bag (only 65 g) will become your go-to companion.
With a 3-liter capacity, it offers the perfect balance between minimalism and functionality. Ideal for runners seeking extreme lightness, it’s suitable for all distances—whether for a daily workout, a marathon, or a demanding ultra-trail race.

Carrying Capacity

3 L.

Weight

65 gr

Number of pockets

Zip

Distance

Short

Distance

Averages

Training

Yes

Competition

Yes

Technical Specifications

• 2 easily accessible side pockets, ideal for storing energy bars, a phone, or keys.

• 1 large back pocket with aL capacity, perfect for carrying a jacket, a hat, or other essential gear.

• 2 front pockets compatible with 250- to 500 ml water bottles for easy hydration on the go.

The bag comes with two 350-ml soft-sided flasks. You can also choose 500-ml flasks as an option, depending on your needs.

Made in the PRC.

Composition and Care

Composition

• Lining: 92% polyester - 8% spandex
• Outer fabric: 100% polyester

Interview

• Hand wash recommended, or wash on the delicate cycle at 30°.

Shipping and Returns

Delivery

Ships within3 to 4 days(with some exceptions)
Free delivery on orders of €100 or more in France / Flat rate of €10 for Europe

Returns

You have14 days from the date you receive your order to return the items to us if they are not suitable.
You are responsible for shipping costs
Exclusions: Customized products and items subject to hygiene restrictions (underwear, hair ties, headbands, flasks, glassware, and socks) cannot be returned or exchanged.

Overall rating: 4.9615383 / 5 based on 26 reviews.

AI-Generated Review Summary

Summary Topics

Review topics: [].

Review Highlights

Reviews

Super light and pretty

"Very lightweight and with handy pockets—I tested it on a 30-km trail run, and it was perfect. You just have to make sure to adjust the strap properly before the run, because it's very difficult, if not impossible, to move it while running."

— Marcela M. (5/5)

Well

"Lightweight vest. Good for shorter outings."

— Audrey S. (4/5)

Top-notch

"Lightweight, pretty, and super practical"

— Justine L. (5/5)

Great facilities

"I chose the hydration vest with the headband and socks!! I'm really happy with them."

— Gillian Q. (5/5)

Great vest

"Great with two 500-flasks and a CamelBak"

— Riwan G. (5/5)

Lightweight and comfortable vest

"A lightweight and comfortable vest. Really practical for running or trail running. Unfortunately, I ordered the wrong size, but I didn't hesitate to reorder it in the right size x)"

— Emma B. (5/5)

Great vest

"Super lightweight and comfortable to wear!"

— Apolline C. (5/5)

Top

"I love it—it looks really cute with the headband (too bad the colors don't quite match) and the socks."

— Jessica C. (5/5)

Great website

"Fast and careful shipping. Everything is fine; I recommend it."

— Antoine N. (5/5)

Purchase RK3 HEARTRUNNEUSE

"Fast delivery, high-quality products, and the products look just like the photos on the website"

— Chloe L. (5/5)

Q&A

Hello. Will it be available in a smaller size? In white. Thank you.: Hello, Elodie. Thank you for your question. Yes, I can confirm that. Have a great day
Hello. Is it a normal size? Or is it on the small or large side?: Hello, Gauthier. Thank you for your question. It's growing normally. Have a great day.