ON Running demonstrates its technical prowess even in more basic designs – just take the Core Running T-shirt as proof. It's ideal for wearing on both cool mornings and balmy evenings thanks to its short-sleeve silhouette and lightweight handle, promising to be durable throughout the seasons. Its timeless appeal makes it easy to pair with your line-up of running shorts or even with your favourite joggers and jeans on rest days. Recycled Polyester/Elastane. Colour: black