This combo set of collar T shirts is crafted from 220 GSM matty pique knit cotton blend for a soft breathable and steady feel Every piece is super combed pre shrunk and bio washed so the fabric stays smooth and dependable through long use The regular unisex fit with clean collar makes each tee easy to dress up or down This pack with black white grey and navy gives a full range of boss basics from sharp dark tones to calm neutrals making it simple to build outfits for the whole work week and beyond Wash cold inside out and dry in shade to keep the colors rich and the fabric comfortable