These shirts are made for peak performance thanks to their 100% moisture-wicking polyester fabric that keeps the skin breathing when it's time to go the extra mile. Highly comfortable due to its high elasticity, these shirts are printed using vegan inks that are Eco Passport, certified by OEKO-TEX. .: Material: 100% moisture-wicking polyester .: Printed using Direct to Film (DTF) technology .: Printed using vegan and Eco Passport by OEKO-TEX certified inks .: Breathable fabric with high elasticity