A four-person tent rarely fits four adults comfortably. The season rating and the waterproofing number matter more than the capacity printed on the box — here's how to read both before you buy.
What season ratings mean
- 3-season tents — the most common type. Built for spring through fall, handling rain and moderate wind with plenty of mesh for airflow.
- 4-season tents — built for winter and mountain conditions, with heavier fabric, fewer mesh panels and poles designed to handle snow load.
- Summer or 1-season tents — lightweight and mostly mesh, meant for warm, dry nights with minimal rain protection.
Why capacity numbers run optimistic
A "4-person" tent is usually measured by how many sleeping pads can fit shoulder-to-shoulder on the floor, with no room left for bags or gear. A practical rule of thumb: subtract one person from the stated capacity if you want to camp comfortably with your gear inside.
Hydrostatic head: the waterproofing number
| Hydrostatic head rating | What it handles |
|---|---|
| 1,000–1,500mm | Light rain, short showers |
| 1,500–3,000mm | Moderate, sustained rain |
| 3,000mm+ | Heavy rain and prolonged wet conditions |
Putting it together
Start with the season rating for the conditions you'll actually camp in, check the hydrostatic head for the rain you're likely to get, and then look at capacity last — and size up by one person from what you think you need.