Collection: Trail Running Hydration Packs & Backpacks

Compare hydration vests, hydration backpacks and trail running backpacks for different carry plans. A running hydration vest keeps front water and essentials accessible; larger capacities add room for layers and required gear. ROOT5, ROOT8 and ROOT18 cover compact training loads through larger single-day routes without forcing one capacity onto every runner.

Start with time outside, water access, required gear and conditions. Choose your trail running vest by route, then check the product page for current capacity, size and availability.

Flasks included
ROOT5 5L Hydration Vest
Shorter runs and supported races. Two 500ml soft flasks included.
4.1 (50)
$58.00
Flasks included
ROOT8 8L Hydration Vest
Daily training and mid-distance races, with room for a layer. Ships with two soft flasks.
4.4 (3)
$86.00
ROOT18 18L Running Hydration Pack
Long days, fast hiking and more gear. One size.
4.5 (26)
$88.00

Also: Running hat · Soft flasks and bladder

LECAMO trail running packs are close-fitting hydration vests in three capacities: ROOT5 (5L) for short, light runs, ROOT8 (8L) for daily training and mid-distance races, and ROOT18 (18L) for long trail days and fast hiking. Pick the smallest pack that carries what your route needs: water, fuel, layers and any required gear.

Which trail running pack fits your run?

Pack	Capacity	Best for	Water
ROOT5	5L	Shorter training runs and supported races. Water, phone, keys, fuel and a light layer.	Comes with 2 × 500ml soft flasks
ROOT8	8L	Daily training, mid-distance races and routes where you carry extra layers, food or mandatory gear.	Twin 500ml front flask pockets
ROOT18	18L	Long-distance trail running, single-day fast hiking and self-supported days with longer water gaps.	Twin soft-flask pockets up front, rear space for more

Trail running vest or backpack?

A running vest sits close to your body, with water in front pockets you can reach while running. Our guide hydration pack vs hydration backpack vs running vest compares the three styles.

How to choose the right size

Capacity: decide by time on feet, heat and refill points, not distance alone. See how much water to carry and the 5L vs 8L vs 18L capacity guide.
Fit: vest sizes follow chest measurement. Measure before you order with the running vest sizing guide.
Water system: front soft flasks suit most runs; add a 2L hydration bladder when refill points are far apart. Compare them in soft flask vs bladder.

FAQ

What is the best trail running pack for a beginner?

For short trail runs and races with aid stations, a 5L vest like the ROOT5 covers water, phone, keys and fuel without extra bulk. Move to 8L when you regularly carry a jacket, more food or race-required gear.

Can I use a trail running pack for road running or hiking?

Yes. On long road runs without water stops, a vest carries your water close to your body. The ROOT18 is designed for long-distance trail running and single-day fast hiking. Check race rules first: some road marathons do not allow vests. See running vests for road running and marathons.

Not sure which one to pick?

Use the pack chooser, or read what runners said after testing the ROOT5 on the runner field tests page.

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