Two vertical torso vents

Two large rear release vents

Cargo storage system

"Thermoneck" feature is part of the removable thermal liner (can be removed also)

Stretch panels at the waist and under the armpit to help with fit

Two-way zippers at the wrist allow for venting

Full sleeve insulated snap-out liner included

This shot shows what the liner looks like

With the liner out, there is still a mesh lining to facilitate air flow when using the zippered vents