Boarding Sizer · 2026
● Conditional
Cotopaxi Allpa 35L on KLM
Bag 20×12×10" vs sizer 21.7×13.8×9.8"
≈
Tight Fit
Overhead Carry-On Verdict
Fits, if packed soft.
🎒 Backpacker's tip: The Cotopaxi Allpa 35L is soft-shell, so its depth runs ~1.5" over KLM's limit — but it squeezes into the metal sizer fine as long as you don't over-stuff the front pockets.
Personal Item · Under-Seat
✕ Too big
Check today's price on Amazon
→
Route
KLM · COT
checkacarryon
[ AdSense 728x90 ]
Dimension Breakdown
inches
| Axis | Bag | Sizer | Margin |
|---|---|---|---|
| Length | 20" | 21.7" | +1.7" |
| Width | 12" | 13.8" | +1.8" |
| Height | 10" | 9.8" | -0.2" |
Self-Service Kiosk
Measuring a different bag?
Enter its dimensions to check them against KLM instantly.