1. Measure Your Torso Length.
This is key: Your torso length, not your height, determines your pack size. Here's how to measure it:
2. Measure Your Hips
While less critical than torso length, this is helpful if you're considering a pack that offers multiple sizes or interchangeable hipbelts. To measure, take your tape measure and wrap it around the tops of your hips. This is the "latitude line" where you can feel your iliac crest, the two pointy bones on the front of your hips. A properly positioned hipbelt will straddle your iliac crest at this line.
3. Find the Pack's Measurements
When shopping for a pack on REI.com, you can find the torso length and hip measurement info as part of each product's description. To compare multiple packs at once, type "packs" into the search box and then check the compare box on up to four items. Note: If a pack comes in multiple sizes, you'll need to go to that pack's page to get the specifics on each size.
How are we doing? Give us feedback on this page.