Key takeaways
- A daypack is a small backpack (~15–30L) for a single day's hiking essentials.
- It carries water, snacks, layers, and the Ten Essentials without a multi-day pack's bulk.
- Usually frameless or lightly framed, prioritizing low weight and comfort.
- Choose by capacity, fit, ventilation, and features like a hydration sleeve and hip belt.
What a daypack is
A daypack is a small backpack — typically 15–30 liters — sized to carry everything you need for a single day on the trail without the frame and bulk of a multi-day pack. Lightweight and often frameless, it’s the everyday workhorse for day hikes, travel, and commuting.
Sizing
- ~15–20L — short, warm day hikes with minimal gear.
- 20–30L — bigger days with extra layers, more food and water, or gear for kids and weather.
Pick a pack just large enough — oversizing only tempts you to overpack.
For a half-day hike, a hiker loads a 22L daypack with water, lunch, a rain shell, and the Ten Essentials — everything accessible, the load light and stable, with no wasted empty space.
How to choose
Prioritize a comfortable fit and back panel, the right capacity, and ventilation for sweaty backs. Useful features include a hydration reservoir sleeve, a simple hip belt to steady the load, and organized pockets. For day hiking, comfort and low weight usually beat a long feature list.
The bottom line
A daypack is the right-sized companion for day hikes — big enough for the Ten Essentials, water, and layers, but light and compact without a multi-day pack's frame and bulk. Pick a capacity that just fits your typical day, prioritize fit and comfort, and it becomes the pack you grab for hikes, travel, and everyday use alike.
Frequently asked questions
What size daypack do I need?
For most day hikes, 15–30 liters is the sweet spot: around 15–20L for short, warm hikes with minimal gear, and 20–30L when you carry extra layers, more food and water, or gear for kids or variable weather. Bigger isn't always better — a pack just large enough keeps your load compact.
What should a daypack carry?
The Ten Essentials plus the day's needs: water, food, extra layers, rain protection, navigation, first aid, headlamp, sun protection, and a few personal items. A good daypack organizes these accessibly and carries them comfortably without the weight of a backpacking pack.
What features matter in a daypack?
Look for a comfortable fit and back panel, adequate (but not excessive) capacity, ventilation for sweaty backs, a hydration reservoir sleeve, a simple hip belt to stabilize the load, and pockets for organization. For day hiking, low weight and comfort usually matter more than lots of features.
Sources
- Choosing a pack — American Hiking Society
- Day hiking gear — The Mountaineers