The Evolutyon long-sleeved base layer shirt is perfect for intense, tough training sessions, especially in fall and on mild winter days. Made of Natex, a 100% organic nylon fibre, it permits perfect temperature control. Its inner surface features grooves permitting constant circulation of air. This ensures that Evolutyon base layer shirts absorb perspiration and keep you feeling fresh while on the go. Its innovative construction with a single piece in the arm and shoulder area guarantees the utmost freedom of movement while practising your favourite sport.