This collar combo is made from 220 GSM matty pique knit cotton blend which feels soft breathable and steady for daily wear Each tee is super combed pre shrunk and bio washed giving a smooth clean finish The regular unisex fit and collar design sit well for both office and weekend looks The mix of white grey navy and maroon makes a practical office week starter pack so you can rotate from light business tones to richer colors as the week moves on Wash cold inside out and dry in shade to keep every color fresh and the fabric comfortable