Tenola, Triathlon Wear and Clothing made in the UK. Tenola is engaged in the design, development and manufacturing of high performance triathlon wear and clothing for the multi-sport athlete. Tenola products have been evolving over several years from sketches to prototype to production. During this time we have tested, changed and re-tested each product. With new designs we aim to incorporate new fabrics, new technology and what we have learnt from previous designs, testing, and customers.