Best small packs for hiking are compact, lightweight companions that carry essentials without slowing you down. This guide highlights five compact daypacks ideal for short hikes, day trips, and quick excursions. Each option targets a different type of hiker—from ultralight runners to travel-light campers—so you can pick the one that fits your needs and budget. The choices below balance weight, capacity, durability, and packability to help you stay organized on the trail.
| Product | Capacity | Best For |
|---|---|---|
| Lightweight Hydration Backpack (12 L) | 12 L | Runners and cyclists who need hydration on the go |
| 4Monster Hiking Daypack (16 L) | 16 L | Casual hikers needing a little extra space |
| BECOJADDE 15L Small Hiking Backpack | 15 L | Travel light, everyday outdoor use |
| DOJUNS Hiking Backpack 15L | 15 L | Foldable, compact storage for quick trips |
| WATERFLY Small 20L Packable Backpack | 20 L | Versatile daypack with extra capacity when needed |
Lightweight Hydration Backpack

The Lightweight Hydration Backpack from N NEVO RHINO weighs about 8.5 oz and includes a 2 L water bladder. It uses waterproof, tear-resistant PU-coated nylon and is BPA-free. Best for runners, cyclists, and hikers who want easy access to water without extra bulk. Caution: not a full-day pack; limited storage means you’ll carry only essentials.
4Monster Hiking Daypack

Weighing only 4 oz, the 4Monster Daypack is ultralight and packable into a small pouch. It’s ideal as an emergency extra bag or for ultra-light day trips. Made from water-resistant 30D nylon with reinforced stitching. Best for minimalist hikers and travelers who want to tuck a spare bag into luggage. Limitation: minimal structure means less support for heavier loads.
BECOJADDE 15L Small Hiking Backpack

BECOJADDE offers a 15 L foldable, durable hiking backpack with an innovative strap design and a chest belt that doubles as a whistle. It folds into a compact pocket and uses tear- and scratch-resistant fabric. Best for travelers who want a small, quick-pack option with emergency signaling capability. Caution: slightly bulkier when fully loaded compared to ultralight packs.
DOJUNS Hiking Backpack 15L

DOJUNS presents a foldable 15 L travel backpack made from water-resistant nylon with durable SBS zippers. It folds down to a compact size for easy packing in luggage or another bag. Best for travelers and hikers who want a lightweight option that can grow in capacity when needed. Limitation: may lack rigid back support for longer hikes with heavier items.
WATERFLY 20L Packable Backpack

WATERFLY’s 20 L packable backpack balances large capacity with ultralight design. Made from recycled nylon, it folds to a compact size and uses multiple compartments for organization. Best for hikers who want extra room without adding noticeable weight. A potential drawback is that it may feel a bit bulky when empty compared to smaller ultralight options.
Buying Guide
What size should you choose?
- Ultralight goals: Choose 10–12 L packs for short, light day hikes.
- Need more gear: Opt for 15–20 L packs for longer day trips or light overnight stays.
What materials matter?
- Water resistance and durability: Look for tear-resistant nylon or ripstop fabrics with secure zippers.
- Hydration compatibility: If you plan to drink on the go, consider a bladder-ready design with a leakproof bite valve.
Packing features to compare
- Compartments and pockets: More pockets help keep items organized, especially with electronics or snacks.
- Weight and packability: Ultra-light packs are great for short trips, while packable designs save space in your travel bag.
Practical considerations
- Fit and comfort: Adjustable straps and ergonomic back support improve comfort over longer distances.
- Weather readiness: For rain-prone areas, look for water-resistant or waterproof shells and sealed seams.
FAQ
- What is the lightest hiking pack on this list? The 4Monster Hiking Daypack weighs about 4 oz, making it among the lightest options.
- Which bag is best for hydration on the move? The Lightweight Hydration Backpack includes a 2 L water bladder and is designed for quick access during activity.
- Are foldable packs suitable for long hikes? Foldable packs are ideal for travelers and short trips; for multi-day hikes, consider larger, more supportive packs.
- What should I consider for back comfort? Look for padded shoulder straps, breathable back panels, and ergonomic design tailored to your torso length.
- Can I use these packs for travel besides hiking? Yes; many models are designed to be compact and versatile for city trips or daily use.
- Do these packs provide weather protection? Most are water-resistant; for heavy rain, choose a rain cover or fully waterproof materials.