WATERFLY Hiking Foldable Daypack Backpack - Lightweight 25/35L

In this review of the WATERFLY Hiking Foldable Daypack Backpack, the bottom line is simple: it is a travel-friendly, lightweight daypack built for short hikes and everyday outdoor use. The pack's biggest strength is how compact and light it is-unfolding into a usable 35L capacity while folding down to the size of a small wallet-making it a practical choice for people who want extra carrying capacity without bulk. The pack is designed with breathable mesh padding and a chest strap with a whistle, and it aims to balance durability and portability for hikers, commuters, and travelers.

Key Features

• Water-resistant materials: The durable, tear-resistant fabric resists light moisture to help protect essentials during short showers or wet conditions.
• Compact, packable design: Weighing only 0.77 lbs, the backpack folds down to a tiny pocketable size so it can be stashed in a suitcase or another bag when not in use.
• Reflective hiking pattern: The reflective detail increases visibility on trails or roads during low light, adding a small safety benefit for early-morning or evening outings.
• Breathable padding and straps: Mesh padding on the back and straps helps reduce sweat and improves comfort on warm-weather walks and day hikes.
• Organizational pockets: Two interior compartments, two interior mesh pockets, two front zippered pockets and two side mesh pockets keep water bottles, umbrellas and small electronics organized and accessible.
• Adjustable fit and safety whistle: The chest strap with whistle and adjustable shoulder and side straps allow a secure fit for active use and quick signaling in emergencies.

Who It's For

This daypack is best for day hikers, travelers, cyclists and anyone who needs a lightweight, stowable pack for short outings. Its low weight and foldability make it ideal for packing as a backup bag on trips or for commuters who want extra carrying space for groceries or gym gear.

Those who need heavy-duty waterproofing, large multi-day carrying capacity, or extensive load-bearing support should look elsewhere; the WATERFLY is optimized for portability and convenience rather than heavy loads or full waterproof protection in prolonged downpours.

Pros & Cons

Pros

• Very lightweight and easily packable, making it travel-friendly and simple to store.
• Good organization with multiple interior and exterior pockets for bottles, tablets and small items.
• Durable, tear-resistant fabric and breathable mesh padding improve longevity and comfort for regular day use.
• Adjustable straps and chest whistle add convenience and a basic safety feature.

Cons

• Water-resistance performs well in light rain for some users, but it is not fully waterproof in heavy or prolonged wet conditions.
• Not designed for heavy loads or extended multi-day backpacking where a framed pack would be preferable.

Specifications

Our Verdict

The WATERFLY Hiking Foldable Daypack is a practical, inexpensive solution for hikers and travelers who prioritize low weight and easy packing. It offers useful organizational features, breathable comfort and a modest level of water resistance, making it a solid value for day trips and as a backup travel bag; those needing heavy-duty waterproofing or load support should consider a different style.

Frequently Asked Questions

Is this backpack fully waterproof?
It is made from water-resistant materials and handles light rain, but it is not fully waterproof in heavy or prolonged downpours.

How small does it fold?
The pack folds down to roughly the size of a small wallet, making it easy to slip into luggage or a larger bag.

Who can use the pack comfortably?
Adjustable shoulder straps, side buckles and a chest strap let both men and women, including older adults, get a comfortable fit for day hikes and travel.