This field shirt jacket from Japanese brand Kaptain Sunshine combines military aesthetics with contemporary detail Crafted from a lightweight cotton polyester cloth with fine cotton for the warp thread and stretchy polyester for the weft thread for a A very light material that is light, flexible, yet durable. Featuring asymmetrical front pockets, sleeve pockets, and a relaxed fit that is enhanced by underarm adjusters, allowing it to be adjusted for a versatile and accomodating fit. A perfect choice for outdoor adventures.