TRU-SPEC Men's Lightweight 24-7 Long Sleeve Field Shirt 65% polyester / 35% cotton Imported Yoked back, underarm air vents and dress shirt style tail Byron button down collar with state of the art hidden button under collar points Pencil/Pen pockets on each side of the button through front placket Articulated elbows with 2-button banded vent cuff with placket Yoked back, underarm air vents and dress shirt style tail