• Teflon® treated.. • Environmental friendly buttons without Malamine have been used, Large hidden document or utility chest pockets sealed with hidden YKK® Zippers. • 2 small chest pockets with inverted pleats for extra space when needed and sealed with hidden snap buttons.. • Triple stitched Seams for that extra durability on stress points, Short sleeve arm strap and Collar point hold down buttons. . • Additional shoulder strap set included.