The best Rucker size for you depends on your height, torso length, and personal preference. For optimal comfort while rucking, the bottom of the pack should sit above your belt line to prevent friction.
You can find our recommended Rucker size chart below:
| 15L RUCKER | 20L RUCKER | 25L RUCKER | |
| HEIGHT (FAST) | 5'6" or shorter | 5'5" - 6'3" | 6' or taller |
| TORSO HEIGHT (ACCURATE) | 17.5" or shorter | 17.5-19.25" | 19" or taller |
| RUCK HEIGHT | 16.5" | 18" | 20" |
MEASURING TORSO HEIGHT
Torso length is measured from the C7 vertebra (the bony bump at the base of your neck) down to the iliac crest (the top of your hip bones), which is typically a few inches above your belt line on your back.