The Shadow Tactical Hybrid Tactical Shirt is designed for hot climates, made from two types of fabrics to provide comfort and extra ventilation when using the body armor vest. The central part of the under armor shirt is made of mid weight -wicking PC (80% cotton/20% polyester) torso fabric with features enhanced breathability and elasticity. It is highly wicking material. The sleeves and collar are made from 60% cotton and 40% polyester Rip-stop fabric to make the shirt more strength in the military field use.