4F is a Polish sportswear brand offering a wide range of sports clothing, footwear and accessories for men, women and children. Its collection includes running, fitness, training, trekking, outdoor and everyday sportswear, along with jackets, T-shirts, leggings, trousers, sweatshirts, sports shoes, bags and other accessories. 4F also features seasonal collections and performance-focused products designed for comfort, mobility and active lifestyles.