Disclaimer: We know cotton shirts shrink when you wash them, so we planned for that. We made them bigger so when you wash them, they shrink to the size you'd normally wear. All of our shirts are made from 100% cotton.  Left chest pocket with 1” Velcro in the middle. Ribbed collar and cuffs, so they don’t expand. CAT 2 Rated (Rating for dual-hazard flame resistant workwear to help protect against flash fire and electrical arcs) ARC Rated (8.7cal/cm2 Rated to protect against second degree burns when exposed to an electrical arc) NFPA 70E Compliant (Meets NFPA 70E/ASTM F1506 performance requirements) NFPA 2112 Compliant (UL® classified to NFPA 2112)