For years I carried a 35L pack on day hikes. I told myself I needed the space, then filled it with a down jacket I never put on, a paperback I never opened, and a first aid kit with enough supplies to treat a small village. Last spring I finally tested a 20L SKYSPER daypack on a 9 mile loop in the Boise foothills, and the difference was immediate. My shoulders felt lighter, my steps felt quicker, and nothing I actually needed was missing.

I have now done over thirty hikes with this pack, from short evening loops to a 14 mile day in the Sawtooths. Here are the ten reasons a 20L daypack is all you need for day hikes.

A 20L pack that disappears on your back

The SKYSPER 20L daypack holds everything I need for a full day on the trail and weighs almost nothing empty. If you are tired of carrying a pack that is bigger than your actual needs, this is the one I reach for every weekend.

Check Today's Price on Amazon →
1

It forces you to pack only what you will actually use

A bigger pack invites you to bring things 'just in case'. A 20L pack makes you look at each item and ask whether it earns its spot. My standard load is a 1L water bottle, a snack, a light shell, a small first aid kit, sunscreen, and a phone. That is it. On a 10 mile hike in the Sawtooths last fall, I used every single item and wanted nothing more. The old 35L pack I carried before had room for binoculars, an extra fleece, a camera, and a second water bottle I never touched. The day I emptied it onto the bed and saw how much of it was dead weight, I knew I had been carrying habits, not needs.

See the SKYSPER 20L on Amazon →

A hand adjusting the chest strap of a small hiking daypack on a trail
2

It keeps the weight off your shoulders

The less the pack weighs, the less your shoulders, neck, and lower back have to carry. The SKYSPER 20L weighs about a pound and a half empty, which means the total weight on my back is mostly water and food. My old 35L pack weighed over three pounds before I put anything in it, so I was starting every hike two pounds behind. I notice it most on the way down from Table Rock, when the pack used to pull my shoulders forward and make the last mile miserable. On a long descent, my left knee still complains, but my upper back no longer does. That alone was worth the switch.

Check the SKYSPER 20L price on Amazon →

3

It fits a short torso without any adjusting

I am 5'6" with a short torso, and most packs hang awkwardly no matter how I adjust the straps. The SKYSPER 20L is a simple, unstructured pack that sits naturally on my back. The sternum strap pulls it in tight, and the load rides high enough that I forget it is there. My husband Mark, who is much taller, also finds it comfortable, which makes it the pack we both grab for short hikes.

Get the SKYSPER 20L on Amazon →

4

It has enough pockets without turning into a black hole

The SKYSPER 20L has a main compartment, a front pocket, and two side mesh pockets. That is the right number. I keep my phone and keys in the front pocket, my water bottle in the right side pocket, and everything else in the main compartment. I never have to dig through a giant main bag to find a lip balm. On a windy day on the Upper Salmon River trail, I needed my rain shell in a hurry when a squall came over the ridge. It was in the main compartment, right on top, and I had it on before the first drops hit. With my old pack, that same shell was always buried under three layers of things I had packed for no reason.

See the SKYSPER 20L on Amazon →

5

It is light enough to forget you are wearing it

On a 7 mile hike in the Boise foothills, I stopped at a viewpoint and realized I had not thought about my pack in over an hour. That is the highest compliment I can give a daypack. A 20L pack that is properly packed stops being a piece of gear and starts being part of your body. The SKYSPER does exactly that.

Check the SKYSPER 20L price on Amazon →

A hiker sitting on a log with the daypack beside them, taking a water bottle out of the side pocket
6

It is small enough to wear on crowded trails

On popular trails, a big pack makes you a hazard. You turn around to check a view and accidentally hit the person behind you. A 20L pack keeps your profile narrow. I have worn the SKYSPER on busy weekend trails and never once bumped anyone. That matters more than you think when you are hiking in a line of people.

See the SKYSPER 20L on Amazon →

7

It fits under an airplane seat for hiking trips

I fly with only a carry-on for most trips, and the SKYSPER 20L is my personal item. It slides under the seat in front of me, leaving the overhead bin for my roller bag. When I land, I have a perfectly good daypack for whatever trail I am visiting. That combination, a roller bag plus a 20L daypack, covers every hiking trip I have taken in the past year.

Get the SKYSPER 20L on Amazon →

8

It makes you move faster on the trail

A lighter pack means a faster hike. It is simple physics. On a 12 mile day in the Sawtooths last June, I finished almost an hour earlier than I did with my old 35L pack on the same route the year before. Part of that was fitness, but most of it was the pack. I checked my watch at the turnaround point and realized I was making the same time I used to make on a 9 mile day. On the descent, my pace stayed steady instead of slowing as my shoulders tired. When you are not carrying four pounds of extra gear, your legs move more freely and your pace naturally picks up.

Check the SKYSPER 20L price on Amazon →

9

It is cheap enough to beat up without worry

I have thrown the SKYSPER 20L into the back of my Subaru Outback, dragged it across granite slabs, and left it in the sun while I swam in a mountain lake. It has a few scuffs now, and I do not care. A pack you are not afraid to scratch is a pack you actually use hard. That is the point of a tool.

See the SKYSPER 20L on Amazon →

10

It is all you need for 90% of day hikes

Here is the honest math. A 20L pack holds water, food, a shell, a hat, sunscreen, a small first aid kit, and a phone. That covers almost every day hike I have done in fifteen years of hiking. The only exceptions are winter hikes where I need a heavy jacket and traction aids, and those are rare. For everything else, 20 liters is enough.

Get the SKYSPER 20L on Amazon →

What I'd Skip

I would skip the SKYSPER 20L if you are planning an overnight trip, carrying climbing gear, or hiking in deep winter. It is a daypack, not a backpacking pack. It does not have a frame, a hip belt, or room for a sleeping bag. For those trips, I switch to a larger pack and I am glad I have one. The 20L is the right tool for a specific job, and that job is a day hike.

On a 7 mile hike in the Boise foothills, I stopped at a viewpoint and realized I had not thought about my pack in over an hour.

The 20L pack that ended my overpacking habit

The SKYSPER 20L daypack is the pack I grab for nearly every hike now. It is light, simple, and holds everything a day hike actually requires. If you are still carrying a pack that is bigger than your needs, this is the fix.

Check Today's Price on Amazon →