Carry-on
Thule Chasm Backpack 26L Does not fit Thule Chasm Backpack 26L is larger than the published carry-on dimensions. Pick a smaller alternative for this airline rule.
Visual sizer
Bag vs airline rule Does not fit. Largest overage: 13.1 in.
Scaled fit visualization Does not fit. Largest overage: 13.1 in. Bag size 8.3 x 11.8 x 21 in Rule size 21.7 x 15.7 x 7.9 in Rule width 15.7 in Rule length 21.7 in Bag width 11.8 in Bag length 8.3 in Depth: Bag 21 in / Rule 7.9 in Does not fit. Largest overflow: 13.1 in.
Height
Spare room +13.4 in
Bag 8.3 in / Rule 21.7 in
Bag 11.8 in / Rule 15.7 in
warning: This result uses medium-confidence source data.Data status
Audited dimensions Source-linked rule
Rendered from the dimensions shown here. Airline staff and packed shape can still affect the real-world outcome.
Dimension-only silhouette rendered from verified dimensions; no approved product image is available yet.
Bag 8.3 x 11.8 x 21 in
Rule 21.7 x 15.7 x 7.9 in
Risk 92/100
Confidence medium Margins: length 13.4 in, width 3.9 in, depth -13.1 in.
Main issue: depth by 13.1 in.
Personal item
Thule Chasm Backpack 26L Does not fit Thule Chasm Backpack 26L is larger than the published personal-item dimensions. Pick a smaller alternative for this airline rule.
Bag 8.3 x 11.8 x 21 in
Rule 13 x 9.8 x 7.9 in
Risk 92/100
Confidence medium Margins: length 4.7 in, width -2 in, depth -13.1 in.
Main issue: width by 2.0 in, depth by 13.1 in.
Carry-on
Thule Chasm Backpack 26L Does not fit Thule Chasm Backpack 26L is larger than the published carry-on dimensions. Pick a smaller alternative for this airline rule.
Bag 8.3 x 11.8 x 21 in
Rule 21.7 x 13.8 x 9.8 in
Risk 92/100
Confidence medium Margins: length 13.4 in, width 2 in, depth -11.2 in.
Main issue: depth by 11.2 in.
Personal item
Thule Chasm Backpack 26L Does not fit Thule Chasm Backpack 26L is larger than the published personal-item dimensions. Pick a smaller alternative for this airline rule.
Bag 8.3 x 11.8 x 21 in
Rule 17.7 x 13.8 x 7.9 in
Risk 92/100
Confidence medium Margins: length 9.4 in, width 2 in, depth -13.1 in.
Main issue: depth by 13.1 in.
Carry-on
Thule Chasm Backpack 26L Does not fit Thule Chasm Backpack 26L is larger than the published carry-on dimensions. Pick a smaller alternative for this airline rule.
Bag 8.3 x 11.8 x 21 in
Rule 21.7 x 15.7 x 9.1 in
Risk 92/100
Confidence medium Margins: length 13.4 in, width 3.9 in, depth -11.9 in.
Main issue: depth by 11.9 in.
Carry-on
Thule Chasm Backpack 26L Does not fit Thule Chasm Backpack 26L is larger than the published carry-on dimensions. Pick a smaller alternative for this airline rule.
Bag 8.3 x 11.8 x 21 in
Rule 21.7 x 15.7 x 9.1 in
Risk 92/100
Confidence medium Margins: length 13.4 in, width 3.9 in, depth -11.9 in.
Main issue: depth by 11.9 in.
Carry-on
Thule Chasm Backpack 26L Does not fit Thule Chasm Backpack 26L is larger than the published carry-on dimensions. Pick a smaller alternative for this airline rule.
Bag 8.3 x 11.8 x 21 in
Rule 21.7 x 15.7 x 9.1 in
Risk 92/100
Confidence medium Margins: length 13.4 in, width 3.9 in, depth -11.9 in.
Main issue: depth by 11.9 in.
Carry-on
Thule Chasm Backpack 26L Does not fit Thule Chasm Backpack 26L is larger than the published carry-on dimensions. Pick a smaller alternative for this airline rule.
Bag 8.3 x 11.8 x 21 in
Rule 21.7 x 15.7 x 9.1 in
Risk 92/100
Confidence medium Margins: length 13.4 in, width 3.9 in, depth -11.9 in.
Main issue: depth by 11.9 in.