Fiber composition
Solid colors are 100% cotton, heather colors are 52% cotton, 48% polyester (Black Heather is 90% cotton, 10% polyester)

Ribbed knit collar with seam
Ribbed knit makes the collar highly elastic and helps retain its shape

With side seams
Located along the sides, they help hold the garment's shape longer and give it structural support

Shoulder tape
Twill tape covers the shoulder seams to stabilize the back of the garment and prevent stretching