0950. Aerotex™ Track Jacket - Black/Black Size:M The built-in belt pack sits

The built-in belt pack sits on the back waistband and cinches in the front for bounce-free storage

and stretches up to 6X in every direction

Back panel (at center): 8

and stretching

0950. Aerotex™ Track Jacket - Black/Black Size:M The built-in belt pack sitsOversized, lightweight track jacket in a vintage aesthetic. Our new Aerotex material is an extremely lightweight and breathable soft shell with a textured surface for enhanced drying. The jacket is constructed with bonded seams, two zippered hand pockets, adjustable cinch hem, locker loop, and reflective detailing throughout. Model is 5'11 170lbs and usually wears size M. This product fits true to size so he is wearing size M for an oversized fit.