Pepe Jeans store Barcelona. Pepe Jeans is a British denim and casual wear brand, founded in the 1973. The brand is known for its denim jeans and other denim products, as well as its casual wear clothing and accessories. Pepe Jeans began as a small market stall in London, and has since grown into a global brand with a presence in over 80 countries worldwide. The brand is particularly known for its youthful, trendy, and casual styles, and it targets mainly a young audience.