How to Measure Your Back Length
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How to Measure Your Back Length
Height and back length are not always directly related: tall people can have a short back, and shorter people may have a longer back. Therefore, the height indication on backpacks is only a rough guideline.
The most important factor when choosing the right backpack size is your back length.
How to measure your back length:
- Locate your iliac crest (the top edge of your hip bone).
- Measure along your spine from the iliac crest up to the C7 vertebra.
- The C7 vertebra is the bone that sticks out slightly when you tilt your head forward.
What do you need?
- Define back length: Measure the distance between the 7th cervical vertebra and the top of your hip bone (iliac crest).
- Find key points: Tilt your head forward to locate the protruding 7th vertebra. Use thumb and index finger on your hips to find the iliac crest.
- Use a belt: Place a belt horizontally along the top of your hip bone to keep your spine aligned.
- Place the tape measure: Start at the 7th vertebra and let the tape fall straight down to the belt's upper edge.
- Fix the measuring point: Use your thumb and index finger to mark where the tape meets the belt at the center of your back.
- Complete the measurement: Release the tape from the top, holding it at the bottom.
- Read your measurement: Bring the tape to the front and read your back length just above your thumb
| Age & Gender | Back Length (cm) | Body Height (cm) | Examples & Recommendations |
|---|---|---|---|
| Kids | 20 - 23 | 92 - 98 | Pico |
| 24 - 30 | 98 - 130 | Kikki / Waldfuchs 10 & 14 / Schmusebär | |
| 28 - 42 | 110 - 168 | Fox 30 | |
| 32 - 44 | 130 - 168 | Junior / Climber / Attack 8 JR / Compact 8 JR | |
| 32 - 46 | 130 - 172 | Fox 40 | |
| Women (Slim Line) | 38 - 48 | 158 - 178 | All SL models with fixed back system |
| 35 - 56 | 158 - 178 | All SL models with adjustable carrying system | |
| Unisex | 38 - 54 | 158 - 195 | All bike and lifestyle series without SL models |
| 44 - 58 | 158 - 195 | Kid Comfort series | |
| Men | 44 - 54 | 170 - 195 | All men's models with fixed back system |
| 42 - 62 | 170 - 205 | All men's models with adjustable carrying system | |
| Men (Extra Long) | 48 - 58 | 185 - 205 | All EL models with fixed back system |
Photos and videos

Measuring points

Using Aids

Using a measuring tape

Fix measuring point

Complete the measurement process





