T-Shirt for a stag party, birthday, etc. Are you throwing a stag party? Then this would be perfect for the groom or the bride! And the rest of the party should have one as well, with "sidekick" printed on it! They are available in different T-shirts, sweatshirts, hoodies, etc. search for sidekick at nerdshop.dk This T-shirt is a T-shirt with a modern fit for women. Made of 100% ring-spun cotton, this single jersey fabric has a soft surface and is pre-shrunk. It also features a narrow rib-knit collar. With a fabric weight of 153 GSM, it is a T-shirt of good quality. Colors may vary depending on the color of the T-shirt.