XLT - Tactical short sleeve polo. The preferred uniform shirt for law enforcement, security and fire professionals, the Sentinal is a men's 7 oz, 60% cotton/40% polyester jersey short sleeve polo featuring UltraCool (R) moisture wicking technology. Constructed with mic pockets on shoulders and mic loop at center placket. Reinforced dual pen pockets on left sleeve. Side vents. Not all colors available in all sizes. Big & Tall - style available in LT to 4XLT sizes.