T-Shirt for a bachelor party, birthday, etc. Are you going to host a bachelor party? Then this would be perfect for the groom or bride! And the rest of the party should all have one with “sidekick” on it! They come in different t-shirts, sweatshirts, hoodies, etc. search sidekick on nerdshop.dk The zip-up hoodie is a modern and stylish hoodie that adds a splash of color to any outfit. It has a zip at the front and a classic fit and is made from soft cotton fabric for a relaxed and laid-back look. The fabric is composed of 80% ringspun cotton and 20% polyester, with a fabric weight of 280gsm.