Salomon
Active Skin 4L Hydration Pack Set - Women's

4.844827586206897 out of 5 stars

$100.00

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Active Skin 4L Hydration Pack Set keeps hydration close and bounce low on fast-paced trail runs

What Our Gearhead® Experts Are Saying:

"This vest is my go-to for short to mid-distance trail days. The fit is super comfortable with zero bounce, and I love that it includes two flasks up front. The quick link strap makes it easy to adjust on the fly, and I don’t feel overheated even when temps rise."

When our runs start to stretch beyond an hour, the Salomon Active Skin 4L Hydration Pack Set gives us just what we need without adding bulk or weight. Designed specifically for women, this 4-liter hydration vest brings race-ready fit and all-day comfort together in one trail-focused package. The Sensifit™ construction adapts to our movement, hugging our torso with breathable stretch mesh that feels like it’s barely there—no bounce, no hotspots, just flow.

We get instant access to hydration with two included soft flasks that stay secure in redesigned chest pockets, and space in the rear for a 1.5L reservoir if we’re pushing extra miles. Stash essentials in the back compartment, quick-access front stretch pockets, or the secure zip chest pocket, and clip on a set of poles with Salomon’s custom quiver compatibility. Lightweight, thoughtfully designed, and trail-tested, the Active Skin 4 keeps our essentials dialed so we can stay focused on the terrain ahead.

Details

Trail running hydration vest designed specifically for a women's fit
Sensifit™ construction delivers soft, stable, bounce-free comfort
Two 500ml soft flasks included for quick, up-front hydration
Back compartment and secure zip pocket hold layers and nutrition
Reservoir-compatible with internal strap and tube exit port
Power mesh and 3D Airmesh maximize airflow and moisture management
Custom quiver-compatible for pole carrying on technical routes
4-liter capacity ideal for short to mid-distance trail adventures
Item #SALZAOI

Material: [face fabric] 100% nylon, [lining] 100% nylon, [body insert] 88% nylon, 12% elastane, [back insert] 89% nylon, 11% elastane, [back body] 100% polyester
Volume: 4L (244cu in)
Support/Suspension: Sensifit, 3D comfort back system
Shoulder Straps: 3D Airmesh harness
Hydration Compatible: yes
Reservoir Included: 2 500ml soft flasks
Access: top
Pockets: 1 back compartment, 1 front zippered, 2 front stretch
Gear Loops: adjustable bungees
Trekking Pole Carry: 2
Compression: adjustable bungees
Dimensions: 14.5 x 6.7 x 1in
Claimed Weight: 9oz
Activity: trail running
Manufacturer Warranty: limited 2 year

Reviews

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Overall Rating

5 based on 58 ratings

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1 Stars - 0 reviews

2 Stars - 0 reviews

3 Stars - 2 reviews

4 Stars - 5 reviews

5 Stars - 51 reviews

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Here's what customers have to say

This product is praised for its great fit, comfort, and functionality. Customers note it feels lightweight and barely noticeable while running, with ample storage space for essentials without feeling bulky. The vest is described as adjustable and breathable, staying in place without bouncing or chafing. Some first-time vest users were pleasantly surprised by its comfort and usefulness, though the water bottles can be slightly difficult to use initially.

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3 out of 5 stars

October 9, 2025

Big for a petite frame

I like this vest as it is comfortable and holds a good amount of fluids and gear. However, being 5’3” it’s just too long/big/heavy for me. It hits me right above the hips which feels too long.

Carla