ACT Running designs high-performance running gear with a focus on durability and sustainability. Its collection serves both men and women, offering apparel, footwear, and accessories for running and training. Clothing includes shorts, two-in-one shorts, T-shirts, crop tops, jackets, leggings, underlayers, cycling shorts, and half-tights. The brand also sells C.1 running shoes in several colors, along with accessories such as socks and caps.

ACT Running organizes products into material-led ranges. BioFlex features compressive, plant-based pieces, while ShellLight is described as lightweight, water-repellent, and plant-based. BioPerf combines lightweight, breathable performance with plant-based materials, and AirShell is presented as lightweight, breathable, and plant-based. The company also uses a Carbon Label to analyze, measure, and display each product’s environmental impact, providing customers with impact information.

ACT Running is a certified B Corp. Customers can contact the brand by WhatsApp, phone, or email, and the site provides information about returns, retailers, and product questions. A newsletter offers access to exclusive offers.