How do you clean the hydration bladder and tube?

After years of backpacking, rinse it out and toss it in the freezer. Pull it out fill with water and go.

Can the bladder be taken out?

Yes, the bladder can be removed. I didn't like the bladder that came with it, I couldn't get rid of the plastic taste. I replaced it with one that has two hoses. Love the backpack.

Has anyone had any issues with adding hydration packets (Liquid IV, Gatorade, LMNT, etc..) in the bladder?

None at all. I used both Liquid I.V. and Mio. I do rinse it as soon as I get home. I use this to go to Disney World, and works great!!! Good tip is after you rinse it roll the bladder and put it in the freezer. Won't have to worry about mold growing.

Is the hydration tube freeze in cold weather? Most hydration pack tubes freeze on the mountains for skiing & cannot drink from it anymore.

It will freeze as any other product would in freezing conditions.

EVERFUN Insulated Hydration Water Backpack 18L with 2L Bladder Rain Cover, Hydro Pack Bag Daypack with Storage for Women Men Hiking, Cycling, Skiing, Running, Festivals

EVERFUN Insulated Hydration Water Backpack 18L with 2L Bladder Rain Cover, Hydro Pack Bag Daypack with Storage for Women Men Hiking, Cycling, Skiing, Running, Festivals

Product ID: 600955256

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Details

Brand
Everfun
Colour
Black
Item Weight
771 g
Material
Nylon
Sport
Cycling

🎒18L spacious storage

💧2L insulated hydration bladder

🌧️Built-in rain cover & reflective strips

Description

💦 Gear Up, Hydrate Smart, Conquer Outdoors!

HYDRATION ON THE GO - Upgraded 2L food-grade PEVA bladder with high-flow bite valve and dirt-proof mouth cover for seamless sipping.
WEATHERPROOF SAFE - Durable high-density nylon with rain cover and reflective strips ensures your gear and visibility are protected rain or shine.
COMFORT MEETS STABILITY - Lightweight 2 lbs design with breathable 3D padded back and adjustable straps for all-day ergonomic support.
STAY COOL STAY HYDRATED - Insulated bladder compartment keeps your water refreshingly cold for up to 6 hours—no more lukewarm sips.
MAXIMIZE YOUR ADVENTURE STORAGE - 18L main compartment + 9 smart pockets keep your gear ultra-organized and accessible.

The EVERFUN Insulated Hydration Water Backpack is a versatile 18L daypack designed for active professionals who demand organized storage, reliable hydration, and weatherproof durability. Featuring a 2L insulated PEVA bladder that keeps liquids cool for up to 6 hours, nine functional pockets, a built-in rain cover, and reflective safety strips, this lightweight backpack ensures comfort and stability across hiking, cycling, running, skiing, and festivals.

Specifications

ASIN	B0B76Q78FQ
Brand	Everfun
Brand Name	Everfun
Capacity	18 litres
Colour	Black
Customer Reviews	4.5 out of 5 stars 1,170 Reviews
Item Dimensions W x H	26.7W x 47H Centimeters
Item Type Name	2L Water Bladder
Item Weight	771 g
Manufacturer	EVERFUN
Material	Nylon Polyester
Material Type	Nylon Polyester
Number Of Pockets	9
Pocket Description	Stash Pocket
Product Dimensions	26.7W x 47H Centimeters
Sport	Cycling, Mountaineering, Running, Snowboarding, Snowshoeing
Sport Type	Cycling, Mountaineering, Running, Snowboarding, Snowshoeing
Strap Type	Shoulder
Tank Volume	2 Litres
Whats In The Box1 - Whats In The Box3	Rain cover, Water bladder

Reviews

A**R

Buy it!!!

20.03.2026

L**N

Good quality

20.03.2026

C**S

My go to hiking bag, worth every penny

19.03.2026

J**K

Works as it should

26.01.2026

L**Z

Me gustó

Muy buena mochila 🔥

26.11.2025

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