Choosing a Field Pack Without Carrying Too Much
I once carried a full roll of duct tape for nine miles. I remember this because, back at the car, it was sitting beside two knives, a second flashlight, a paperback book, and enough snack food for a delayed train. The walk had lasted one morning. Nothing in the pack was absurd on its own, yet the collection made the shoulder straps feel like narrow ropes by lunchtime.
That was when I stopped shopping for packs by asking, “How much will it hold?” A pack will hold whatever space invites you to bring. The better question is whether it fits the day you are actually planning.
Before looking at brands or fabric, I put the intended load on the floor. Water goes down first, then rain gear, navigation, first aid, food, an insulating layer, and the equipment specific to the outing. For a range day that might mean hearing protection and a small tool pouch. For a glassing walk it could be binoculars, a tripod, and a foam seat. The pile is usually smaller than the picture in my head.
I divide it into three groups. The first group solves a real safety or route problem: water, communication, navigation, weather protection, and basic first aid. The second makes the planned activity work. The third contains comforts and “what if” items. I am allowed a few items from the third group, but they have to earn the ride.
This little sorting exercise prevents a common mistake. When a pack feels heavy, people sometimes remove the rain shell or carry less water while leaving duplicates untouched. I would rather leave the third knife at home. Necessary weight is still necessary. In hot country, water may be the heaviest part of the load, and no lightweight-pack argument changes that.
Capacity comes after the pile. An 18-to-30-liter daypack handles a surprising number of ordinary day trips, although cold weather and bulky optics can push the number higher. The label is only a rough guide. A tall, narrow 25-liter bag and a squat one with the same stated volume do not swallow equipment in the same way. Pocket shape can waste space, too.
I try a pack with weight inside. An empty pack is a gifted liar: almost every harness feels comfortable when it carries air. I use water bottles or store weights to approximate the real load, loosen every strap, and put the pack on from scratch.
The hip belt sits across the top of my hip bones. I tighten it first, then the shoulder straps, then the load lifters if the pack has them. The sternum strap only needs enough tension to keep the shoulder straps in a comfortable position; it should not pull them together like a drawstring. I walk, climb stairs, turn my head, and reach above me. If the pack pushes my head forward or sways when I step sideways, adjustment—or a different torso length—is needed.
Torso length is easy to ignore because it is less obvious than height. Two people of the same height may need different pack sizes. On a correctly fitted pack, the shoulder straps wrap smoothly rather than leaving a gap, and a useful share of the load reaches the hips. A light pack can get away with a simple belt. Once water, optics, and layers add up, some structure becomes welcome.
I used to be attracted to packs covered in pockets. They looked organized. In practice I spent time opening three nearly identical zippers to find a headlamp. Now I prefer a clear main compartment, two bottle pockets, and one easy-access pocket for small items. A few colored zip pouches inside do the rest. Blue holds first aid, orange holds repair pieces, and a clear bag holds things that must remain dry.
Access matters, but more access is not automatically better. A top-loader is simple and sheds weather well. A panel opening makes it easier to see everything. Either works if the items needed during the walk—rain shell, snack, map, gloves—are not buried under spare clothing. Before buying, I try reaching a side bottle while wearing the pack. Some pockets look perfect until a shoulder refuses to bend that way.
Outside attachments receive the same test. A tripod or folded seat should be held at two points, close to the pack. One loose strap lets it swing, tap branches, and slowly work free. Dangling mugs and tools look outdoorsy in a photograph; on a quiet trail they are mostly noise. I roll spare webbing and tuck it away.
Inside, heavy items ride close to my back and near the middle rather than at the outer edge. Water placement makes a noticeable difference. Soft clothing fills awkward gaps, while anything that could leak goes in a separate bag. Even a pack sold as water resistant gets a liner. A basic plastic pack liner weighs little, protects more reliably than hopeful marketing, and does not blow off in brush like a rain cover.
The final decision happens outside the store. I load the pack exactly as planned and take a one-hour walk. Not a lap around the living room—a walk long enough for a hot spot to introduce itself. I notice whether a buckle rubs my arm, whether the bottle shifts, and whether I can reach the first-aid pouch quickly. Then I weigh the whole pack, including water, so I have an honest baseline.
After each trip I make two piles: used and unused. Emergency items do not need to justify themselves by being used, of course. The spare layer may stay because the forecast made it sensible. But if a comfort item returns untouched three trips in a row, I ask why it keeps receiving a free tour of the countryside.
My current repair kit is a small pouch, not a toolbox. Tape is wrapped around a flat card instead of riding as a full roll. One dependable knife replaced the collection. Toiletries and insect repellent travel in containers sized for the day. Those changes saved more weight than buying an expensive fabric ever would.
There is no perfect number on a scale and no single ideal pack size. A winter photographer and a summer walker face different loads. What remains consistent is the process: define the outing, protect the essentials, fit the harness under weight, and test the arrangement before the long day.
The pack I carried for those nine miles was not a bad pack. It was simply large enough to hide a series of lazy decisions. Choosing well means selecting a bag that supports a considered load, not one that promises room for every possible fear. At the end of a route, that difference is felt in shoulders, pace, and how much attention is left for the place you came to see.