Pertex Quantum Insulated Crew Black

A thin insulation jacket made of Partex Quantum that is windproof, water repellent, lightweight, and flexible, useful as a middle layer in outdoor fields.
Side pockets.
Insulated with Primaloft that is lightweight and easily maintains its heat-retention and loft even when wet.
Designed packable small into a stuff sack that comes with it.
Designed with fewer stitches as possible for a minimalist look, with thin binder at the hem and cuffs to make seams less noticeable.