Designed to achieve the best level of anatomical fit while maintaining breathability. Designed for peak performance in long-distance running.The UYN PB42 is a running shirt that provides maximum comfort.The fabric has a three-dimensional structure in sweat-prone areas, allowing for greater air circulation, keeping the body cool and dry. HYPERMOTION technology in the shoulder and arm areas provides great freedom of movement and helps keep the body in the best running position.The COOLVENT system on the chest and back ensures proper thermoregulation and excellent sweat wicking.DRYLIGHT technology under the arms for improved ventilation.HYPERMOTION technology on the shoulders and arms has no vertical seams to reduce abrasion points. Supports posture and ensures freedom of movement - 3D fabric construction in the abdominal and lower back area provides improved body ventilation.Reflective UYN logo on the back for improved visibility and safety when running in low-light conditions. Absolute freedomOne jersey, one seam, no restrictions. The shoulder area is made of a single piece of material, without vertical seams. Greater freedom of movement, greater muscle and posture support. Goodbye, heat. Hello comfort... - DRYLIGHTWicks sweat away thanks to a lighter, highly absorbent knit technology. Ventilation - COOLVENTThe channeled inner surface ensures constant airflow. It quickly absorbs sweat, cools the body during activity, and keeps skin dry.