Basic/Unisex 50/50 Tshirts are 50% cotton/50% polyester. They are preshrunk but will still shrink a little.
S - 32"-34" chest
M - 36"-38" chest
L - 40"-42" chest
X - 44"-46" chest
2X - 48"-50" chest
3X - 52"-54" chest
See Northern Sun categories of T-Shirts, Stickers, Buttons, Magnets, Posters, Car Plaques-Emblems, Note Cards, Calendars, Flags-Banners, Music-Instruments, Toys-Novelty, and topics that include Evolution-Darwin, Diversity, Education, Science, Environment, Womens Issues, Funny. Gay-Lesbian, Imports, Politics-Peace, Religion-Spirituality.