A young Irish singer, Niall Horan, has joined Gym+Coffee, an Irish brand of athleisure clothing and accessories for women and men, as an investor, ambassador and adviser. Gym+Coffee was founded by three friends in 2017. The company has six “Clubhouse” stores in the Republic of Ireland and two in the U.K., which also meant to serve as local community hubs. It also sells its products in the rest of Europe, Australia and North America through its online store, www.gympluscoffee.com.