Description
As a stepping stone to take your trail running to the next level on shorter distances, our updated ACTIVE SKIN 4 is now even easier to use and comfier to wear. The fabrics are still just as soft and breathable, the fit is ultra-secure and the revamped chest pockets provide effortless access to your flasks.
| Best for | Single day |
| Activities | Trail running |
| Bag Width | 17 cm |
| Volume | 4 L |
| Weight per unit | 195 g |
| Weight Including Accessories | 255 g |
| Hydration Solution Included | Yes |
Elastic bungee cord system
Use the elastic cords to effortlessly attach your jacket or poles.
Reservoir compatible
Effortlessly store and carry your 1.5-liter reservoir (not included).
Flasks included
Stay hydrated with two 500-ml soft flasks. Easy to stow. Minimum bounce.
Multiple front pockets
Access your essentials on the go.
quickLINK and sensiFIT™
Use the quickLINK to make easy adjustments on the move. The sensiFIT™ design adds breathable stretch fabric in the right places for a snug fit and stable ride.
Custom Quiver compatible
It's easy to attach our Custom Quiver to stow your poles (quiver not included).
Features & Fabrics
| Back Systems | 3D comfort |
| Bags Construction | sensiFIT™: The construction uses stretch, breathable fabrics and lightweight adjustments to optimize fit and stability. |
| Benefits Bags | Simplicity |
| Composition | Back body: 100% Polyester; Back insert: 89% Polyamide, 11% Elastane; Body: 100% Polyamide; Body insert: 85% Polyamide 6, 15% Elastane; Lining: 100% Polyamide |
Sizing Guide
Measure around the chest horizontally at the widest point.
| Size | Chest (cm / in) |
|---|---|
| XXS | 80–85 cm / 31–33 in |
| XS | 85–91 cm / 33–36 in |
| S | 91–97 cm / 36–38 in |
| M | 97–103 cm / 38–41 in |
| L | 103–109 cm / 41–43 in |
| XL | 109–118 cm / 43–46 in |