
LaCrosse Quad Comfort, cutaway technical illustration showing the structure of the sole.

LaCrosse boot, ankle construction.

LaCrosse Cam Lock, exploded style technical illustration showing the construction of the sole.

La Crosse, technical exploded style illustration to show the layers of construction that aid in air circulation.

La Crosse Alpha exploded boot illustration.

La Crosse Alpha SST

La Crosse Quad impact sole construction.

Danner TFX old style sole construction.

Danner TFX, how the boot upper is attached to the sole.

Danner TFX sole construction.