Cool Cotton Undershirts Stays Tucked Patented design never comes untucked No EFG® Longer, tapered design eliminates "excess fabric gut" Streamlined Fit Hugs the body but is never restrictive Memory Collar Prevents bacon neck Height: 6'1", Waist: 32", Chest: 41" Model is wearing a size Medium. Fabric: 86% Pima Cotton, 14% Spandex Anti-microbial + Anti-odor Keeps you (and your gym bag) fresh. Anti-microbial + Anti-odor Keeps you (and your gym bag) fresh. Size Chest S 34-37" M 38-41" L 42-44" XL 45-48" XXL 49-52" 3XL 53-56" 4XL 57-60" Size S M L XL XXL 3XL 4XL Chest 34-37" 38-41" 42-44" 45-48" 49-52" 53-56" 57-60" Fit How do I measure my chest? Measure around the body, under the arms and across the fullest part of the chest apex including the lower portion of the shoulder blades. Ensure tape measure is level all around. Model Measurements Height: 6'2", Waist: 32", Chest: 41" Model is wearing a size Medium.