Hiking Backpacks / 1.5 Liter reservoir
Collection

1.5L Hiking Backpacks

Catalog updated 2026-10-09

Compact bladders for short runs and lightweight hydration 60 bags · 29 brands

For hiking For traveling For men Daypacks For camping For women Waterproof Ultralight Foldable & Packable For cycling Affordable Black Hydration bladders 20 Liter capacity Military & Tactical 40 Liter capacity Blue Sling bags Crossbody For climbing 30 Liter capacity 2 Liter reservoir For running 25 Liter capacity Green 15 Liter capacity 10 Liter capacity 35 Liter capacity 3 Liter reservoir Shoulder For hunting 50 Liter capacity Grey Reflective Gray Fanny packs Unisex 60 Liter capacity 1.5 Liter reservoir 70 Liter capacity Orange Insulated Purple Red Anti-theft Navy Army Green 2.5 Liter reservoir Nylon Canvas Khaki Brown Olive Tan

Best 1.5L Hiking Backpacks

# Brand Model Facts Tier See deal
1 CamelBak Crux 1.5L water reservoir 9.3 CamelBak Crux 1.5L water reservoir Hydration bladders $36
$36 See deal
2 Osprey Seral 7L biking waist pack black Osprey Seral 7L biking waist pack black Black · Men · Women $97
$97 See deal
3 HydraPak Velocity hydration reservoir 1.5L malibu blue HydraPak Velocity hydration reservoir 1.5L malibu blue Blue · Ultralight · Hydration bladders $38
$38 See deal
4 CHERAINTI Military green 1.5L reservoir bag CHERAINTI Military green 1.5L reservoir bag Green · For hiking · For camping $9.99
$9.99 See deal
5 Azarxis replacement water reservoir 1.5L capacity 7.3 Azarxis replacement water reservoir 1.5L capacity For hiking · For cycling · Affordable $12.99
$12.99 See deal
6 INOXTO Insulated hydration bladder with high flow valve INOXTO Insulated hydration bladder with high flow valve For hiking · For camping · For cycling $15.99
$15.99 See deal
7 TRIWONDER PEVA Running Hydration Reservoir 2L Size 8.5 TRIWONDER PEVA Running Hydration Reservoir 2L Size For hiking · For camping · For cycling $13.99
$13.99 See deal
8 AONIJIE Leakproof water reservoir 3 liter AONIJIE Leakproof water reservoir 3 liter Hydration bladders · 2 Liter reservoir · For running $16.99
$16.99 See deal
9 BESME Purple 5L lightweight hydration running vest BESME Purple 5L lightweight hydration running vest Men · Women · For hiking $23.99
$23.99 See deal
10 HEIKLN Cycling hydration pack bladder 1.5L HEIKLN Cycling hydration pack bladder 1.5L For hiking · For camping · For cycling $16.59
$16.59 See deal
Nearby sets
Hydration bladders For hiking For running For cycling Affordable 2 Liter reservoir 3 Liter reservoir For camping

What a 1.5L reservoir pack is

A 1.5L reservoir pack is a small hydration carrier built around a bladder that holds 1.5 liters of water. These packs are running vests, slings, and lightweight hydration backpacks meant for short, fast efforts. The reservoir sits against your back and feeds a drink tube you reach without stopping.

How it differs from larger hydration packs

Packs with a 2L or 3L reservoir carry more water and usually more gear, which suits longer hikes. A 1.5L reservoir keeps weight low for runs, marathons, and trail sessions where you refill often. The smaller bladder also fits closer to the body, so the pack moves less when you run.

Sizes and details in this form

The samples include sling packs, running vests, and 5L hydration backpacks that hold a 1.5L bladder. Men's and women's fits appear, and colors include black, pink, and orchid pink. A 5L pack body gives you room for a phone, keys, and a light layer alongside the reservoir.

Matching the pack to your activity

Running vests sit high and snug for marathon and trail use. Sling packs carry the reservoir on one shoulder and swing to the front for access. Pick the form that matches how you move and how often you drink.

Before you buy

1.5L reservoir questions

How long does 1.5 liters last?

For most runners, 1.5 liters covers roughly an hour to ninety minutes depending on effort and heat. Plan refills on longer routes. Carry a filter or plan water stops if you go further.

Is a 1.5L reservoir enough for hiking?

It works for short hikes and fast day trips where you can refill. For full-day hikes, a 2L or 3L reservoir gives more margin. Match the bladder to your route length and water sources.

Do these packs come in men's and women's fits?

Yes, the samples include both men's and women's versions. Women's vests usually have a shorter torso and adjusted strap placement. Check the fit before you buy.

Can I use the pack without the reservoir?

Yes, the pack body still carries small items like a phone, keys, and a light layer. The reservoir sleeve just stays empty. You lose the hydration benefit but keep the storage.