question regading tshirt sizes

[Speedworldon]

i was going to aquire a tshirt from the store .. but before i do , i saw nothing about the sizes , is it one size fits all or is there the oportunity to select shirt size at the checkout or w/e ... ?

thank you for your time .

[RayMCiii]

when u go to purchase the shirt there is a drop down menu with size and sex options. Lol I've never heard of a one size fits all t-shirt.