A high-performance slim-fit polo shirt in engineered jacquard fabric with signature stripes, contrast branding and body-mapped ventilation by BOSS Menswear. Part of the dynamic BOSS x Matteo Berrettini capsule collection, co-created by the Italian professional tennis player. For our BETTER BOSS products, we always use at least 60% better raw materials. This product is made from at least 60% recycled polyester. Recycled polyester is an artificial fibre made from oil-based waste such as old PET bottles.