EVERFUN 18L Insulated Hydration Backpack with 2L Water Bladder & Rain Cover – Lightweight Hydro Pack for Hiking & Cycling – Cobalt Blue
EVERFUN 18L Insulated Hydration Backpack with 2L Water Bladder & Rain Cover – Lightweight Hydro Pack for Hiking & Cycling – Cobalt Blue
EVERFUN 18L Insulated Hydration Backpack with 2L Water Bladder & Rain Cover – Lightweight Hydro Pack for Hiking & Cycling – Cobalt Blue
EVERFUN 18L Insulated Hydration Backpack with 2L Water Bladder & Rain Cover – Lightweight Hydro Pack for Hiking & Cycling – Cobalt Blue
EVERFUN 18L Insulated Hydration Backpack with 2L Water Bladder & Rain Cover – Lightweight Hydro Pack for Hiking & Cycling – Cobalt Blue
EVERFUN 18L Insulated Hydration Backpack with 2L Water Bladder & Rain Cover – Lightweight Hydro Pack for Hiking & Cycling – Cobalt Blue
EVERFUN 18L Insulated Hydration Backpack with 2L Water Bladder & Rain Cover – Lightweight Hydro Pack for Hiking & Cycling – Cobalt Blue
EVERFUN 18L Insulated Hydration Backpack with 2L Water Bladder & Rain Cover – Lightweight Hydro Pack for Hiking & Cycling – Cobalt Blue
EVERFUN 18L Insulated Hydration Backpack with 2L Water Bladder & Rain Cover – Lightweight Hydro Pack for Hiking & Cycling – Cobalt Blue

EVERFUN 18L Insulated Hydration Backpack with 2L Water Bladder & Rain Cover – Lightweight Hydro Pack for Hiking & Cycling – Cobalt Blue

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Enjoy free shipping on orders over $29.99. A flat $4.99 shipping fee applies to smaller orders.

Things to Keep in Mind

Returns Policy

Most new and unopened items qualify for returns within 30 days of delivery.

Eligible return shipping costs are covered by us. Certain items, including custom products, limited editions, hygiene-sensitive items, oversized items, and final sale products, may not be eligible for return.

Refund Timeline

Most refunds are completed within 5–7 business days after the returned item is received and inspected.

This timeline may include:

  • 5–10 business days for return transit
  • 3–5 business days for inspection and processing
  • 5–10 business days for your bank to finalize the refund

How to Return an Item

To start a return, please visit your account and go to your order history. Once your request is submitted, you will receive an update by email after the return is reviewed and processed.

Shipping Information

We currently ship within the United States.

Free shipping is available on orders of $29.99 or more. Orders below $29.99 are subject to a flat $4.99 shipping fee.

Orders are typically processed within 1–2 business days. Estimated delivery times shown on product pages reflect both processing time and transit time.

Minor delays may occur due to carrier or weather conditions.

Why Customers Choose PulinGO

Carefully Selected Products
Carefully Selected Products
Curated for quality, value, and everyday practicality.
Fast & Reliable Delivery
Fast & Reliable Delivery
Tracked shipping across the U.S. with clear delivery estimates.
Real Customer Support
Real Customer Support
Helpful human support before and after your purchase.

Designed for endurance-focused outdoor activities, the EVERFUN 18L Insulated Hydration Backpack combines efficient hydration, organized storage, and breathable comfort in a sleek, adventure-ready design 💧. Ideal for hiking, cycling, running, skiing, and festivals, this hydration pack keeps you cool, balanced, and prepared throughout the day.

The backpack features a separate insulated bladder compartment that keeps liquids cool for up to 6 hours when used with ice packs ❄️. It includes an upgraded 2-liter (70 oz) food-grade PEVA water bladder with a high-flow bite valve for smooth, hands-free hydration. The bladder is replaceable and compatible with up to 3 liters (100 oz) for extended activities.

With 9 smartly designed divider pockets, the 18-liter main compartment offers excellent organization for clothing, notebooks, first-aid supplies, and personal gear 🧳. A velvet-lined top pocket protects sunglasses, cameras, or phones, while side mesh pockets provide quick access to trekking poles or bottles. A dedicated helmet carry zone adds flexibility for cycling and skiing.

Built from high-density nylon fabric, the backpack includes a built-in rain cover for wet conditions and reflective strips for improved visibility in low-light environments 🌧️. An ultra-elastic 3D breathable padded back panel, combined with adjustable chest and waist straps, ensures a secure and comfortable fit for all body types. Lightweight yet highly functional, the EVERFUN 18L hydration backpack is a dependable choice for staying hydrated and focused on every adventure.
Stay cool. Stay moving. Stay hydrated.