The OTSO short sleeve technical t-shirt combines the best design and the best technologies to create a super light, versatile and comfortable garment, with a unique style. Defy the Heat. Ultra-Breathable fabric that maximizes ventilation and keeps the body always dry. Designed so that your performance doesn't decline even on the hottest and most humid days. Move freely. Super light and flexible fabric, with vertical and horizontal elasticity. It offers greater freedom of movement so that you can move faster and more quickly. Without friction. Made with the softest fabric. It provides pleasant contact with the skin and prevents chafing on the nipples or armpits.