Indoctrination comes in many forms. Oakley si is proud to support our members of the military and law enforcement community, and the si indoc tee was designed for you to show your pride. A soft poly/cotton material with plenty of stretch, ribbed collar, and soft seam construction a soft poly/cotton material with plenty of stretch, ribbed collar, and soft seam construction keep you in your comfort zone - while the large oakley graphic gives you a confident look that lasts.