Its the different materials. The chest and shoulders (darker color) is fully waterproof and windproof and the rest is soft-shell material.Hard to tell by the picture but does the axis have a 2 color tone?
It does fit a bit large in the body and chest, but like a L in the arms for me!Man I wish that sawtooth was an XL!
I had to get rid of my Sawtooth L because of my gigantic torso lengthIt does fit a bit large in the body and chest, but like a L in the arms for me!