Unisex Newton sports shoes with Newtonium suspension and breathable seamless upper material Newton Unisex Catalyst sports shoes are perfect for running, the gym and other sports activities. Newton's new lightweight NRG foam combined with XPS reinforcements in the sole and Newtonium cushioning ensure this model will be your go-to companion. The shoes are designed to help you increase your performance for all the challenges you will face during the day. They are very light and well cushioned. Quality and durable materials are largely recycled, which accelerates their biodegradability. Neutral footwear has a breathable, comfortable and seamless upper. Material: synthetics, textile