Shirts are disclosed that may be worn by tactical operators. In an embodiment, the shirt includes a body to be disposed about a torso of a wearer, a body to be disposed about a torso of a wearer, and pair of sleeves to receive the wearer's arms. In addition, the shirt includes a collar assembly including a port including a V-shaped region, and a collar extending from the port. The collar has a first portion extending a first length from the port, and a second portion extending a second length from the port. The first length is longer than the second length, and the second portion extends from the V-shaped region of the port. The body and the collar assembly comprise a first material, the pair of shoulder and the pair of sleeves comprise a second material, and the second material is more abrasion resistant than the first material.