The Flyweigh Jac-Shirt is designed with enough warmth, breathability, and stretch to be comfortable from pre-dawn boat rides to post-hunt breakfast. Top-tier insulation handles a wide range of temperatures with ease and a face fabric that prioritizes mobility ensures your range of motion isn't a limiting factor. The tried-and-true construction delivers the field-ready toughness you've come to expect from Chene and classic styling fits right in at Sunday supper.