The FIELD DUTY COLLECTION functions as a rugged layering piece or can be worn as a shirt. Designed as a JACSHIRT in our 9.5 oz Woodland Woolens, a dense woven wool. WW Grand Uplander styles are appointed with leather collars, elbow and shooting patches. Buffalo plaid signature trim under cuffs and neck band. Double Pleated Pockets and Elbow patches. Belted bi swing backs.