ULTRALIGHT 5L
ULTRALIGHT 5L - Black / S-Men / M-Women is backordered and will ship as soon as it is back in stock.
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Delivery and returns
Delivery and returns
- Free delivery from €100. Learn more
- Free exchanges. Return conditions
Size Guide - Running Packs & Hydration Vests
Ultralight Running Pack & Hydration Vest
Choose your size according to your measurements in centimeters. Values in inches are indicated next to them.
| Men's Size | Women's Size | Chest circumference | Height |
|---|---|---|---|
| XXS | XS | 78–84(30.7–33.1") | 42(16.5") |
| XS | S | 85–90(33.5–35.4") | 43(16.9") |
| S | M | 91–96(35.8–37.8") | 44(17.3") |
| M | L | 97–102(38.2–40.2") | 45(17.7") |
| L | XL | 103–108(40.6–42.5") | 46(18.1") |
| XL | XXL | 109–114(42.9–44.9") | 47(18.5") |
Responsiv Running Pack & Hydration Vest
Choose your size according to your measurements in centimeters. Values in inches are indicated next to them.
| Men's Size | Women's Size | Chest circumference | Height |
|---|---|---|---|
| XS | S | 78–90(30.7–35.4") | 37(14.6") |
| S | M | 90–96(35.4–37.8") | 38(15.0") |
| M | L | 96–102(37.8–40.2") | 39(15.4") |
| L | XL | 102–114(40.2–44.9") | 40(15.7") |
| XL | 2XL | 114–120(44.9–47.2") | 41(16.1") |
Dynamic Running Pack & Hydration Vest
Choose your size according to your measurements in centimeters. Values in inches are indicated next to them.
| Men's Size | Women's Size | Chest circumference | Height |
|---|---|---|---|
| S | M | 84–96(33.1–37.8") | 39(15.4") |
| M | L | 96–102(37.8–40.2") | 40(15.7") |
| L | XL | 102–114(40.2–44.9") | 41(16.1") |
How to take your measurements properly
Here are the essential markers to measure correctly.
Head circumference
Around the head, above the ears, without tightening too much.
Chest circumference
Around the chest, at nipple level (tape measure perfectly horizontal).
Waist circumference
At the narrowest point of the torso (without sucking in your stomach).
Hip circumference
At the widest point, at the hips / pelvis.
Sleeve length
From the top of the shoulder to the wrist, arm stretched out and naturally relaxed.
Leg length
From the size to the ankle bone, following the leg without pulling too hard.
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Ultra Light
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Ultra Compact
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Unisex
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Pole holder
Description
Description
Light, compact, and efficient
This 5L trail pack combines practicality, comfort, and durability for top performance on all terrains. Carefully designed to provide the perfect balance between storage space and lightness, this hydration pack meets the needs of the most demanding athletes.
Features
Features
Composition
Composition
Maintenance
Maintenance
100% secure payment

A PRACTICAL TRAIL PACK THAT ADAPTS TO YOUR BODY SHAPE

FRENCH MANUFACTURING - OUR DNA

































