KIPRUNUnisex 10L Trail Running Hydration Bag with 1L Bladder

About

Whether you're chasing a summit or grinding through an ultra, the last thing you want is a bag slowing you down — and at just 240g empty, the KIPRUN 900 practically disappears on your back. This 10L unisex trail running vest is built for runners who mean business: 11 cleverly designed pockets keep your gear organised and accessible, a 1L water bladder is included right out of the box, and the front soft flask pockets mean you can carry up to 2 litres of hydration for up to four hours of non-stop running. Three sizes ensure a body-specific fit, three adjustable straps lock everything in place, and thoughtful touches like a waterproof phone pocket, a built-in 110dB safety whistle, and a pole attachment system make this vest as practical as it is performance-ready. If you're serious about trail running, this is the vest that keeps up.

Product Features

• Featherlight at just 240g: You'll barely notice it's there — ideal for long-distance runs and ultra-endurance events where every gram counts.
• 11-pocket organisation system: With 5 front pockets, 2 side pockets, and 4 rear pockets, there's a dedicated place for everything from gels and flasks to your phone and windproof jacket.
• Up to 2L hydration capacity: Carry a 1L water bladder at the back (included) plus two 500ml soft flasks at the front, keeping you fuelled for up to 4 hours of running.
• Waterproof phone pocket: Keep your device protected from the elements without breaking stride.
• Built-in 110dB safety whistle: Stored in the front right pocket — a mandatory requirement for many mountain and trail races.
• Dual pole-carrying system: Attach your poles vertically using the front elastic strips or use the integrated quiver attachment system (quiver sold separately) — your choice depending on the terrain.
• Innovative rear kangaroo pocket: Angled opening lets you grab your windproof jacket on the move without awkward contortions.
• Body-adaptive fit in 3 sizes: Available in XS/S, M/L, and XL with 3 height-adjustable straps so the vest hugs your frame and stays stable at speed.
• Technical stretch construction: A blend of polyester, elastane, and polyamide keeps the vest close to your body while allowing it to flex and expand where needed.

Product Specifications

• Capacity: 10L
• Weight: 240g (empty)
• Hydration: 1L rear bladder + 2 x 500ml front flask pockets (total 2L)
• Pockets: 11 total (5 front, 2 side, 4 rear)
• Sizes: XS/S (81–91cm chest), M/L (92–103cm chest), XL (104–113cm chest)
• Adjustable straps: 3
• Whistle: 110dB (included in front pocket)
• Main fabric: 100% Polyester
• Yoke: 74% Polyester, 26% Elastane
• Back fabric: 80% Polyamide, 20% Elastane
• Lining: 90% Polyester, 10% Polyurethane
• Gender: Unisex
• Colour: Grey

What's in the Box?

• 1 x KIPRUN 900 10L Trail Running Vest (Grey)
• 1 x 1L Water Bladder (with magnetic tube attachment)