Featuresr size is optional chest measurement mcn seu suschest 98cm 3558in lcn meu muschest 102cm 4016in xlcn leu luschest 106cm 4173in xxlcn xleu xluschest 110cm 4331inr made of 100 polyester fabric breathable quick drying wicking feels amazing against your skinr collar reinforcement for durable wearingr body fabric treated with three needle five thread stitchr minimal flat seam construction won39t chafe or restrict movementr reflective s