Think Luxury Tennis and Running, Think Altimus. Altimus Outdoor is your one-stop-shop for all your Luxury Performance Tennis and Running Clothing and Accessories. For the love of Tennis and Running, we keep expanding and refreshing our stock with innovative & high-performance clothing that allows you to move freely – with greater agility. Castore is an invaluable addition to Altimus Tennis and Running collections. Castore is a highly respected brand across the globe and what makes them special is that they create highest-quality sportswear with unique technical fabrics with specialist features using advanced technology in the world. They are all about precision, performance and passion. Why Castore tennis and running clothing is the best? Because before getting approved, their products are tried and tested for 100 days by the elite level players. They are a specialist in bringing together the world’s best unique performance fabric, sports science, world-leading engineering techniques, elite-level approval and testing beyond endurance for every single product they create & develop. Castore recently went into partnership with Andy Murray, creating the AMC brand which we are excited to be stocking both in-store and online. Explore all Castore Tennis and Running products such as T-Shirts, Sweaters, Polos, Pants, Caps, Bags and Sweatbands.