• Roly Best long-sleeved technical thermal t-shirt in blue, designed to provide thermal insulation and comfort as a first sports layer. • Long-sleeved technical thermal t-shirt designed to maintain body temperature. • Elastic and breathable fabric that offers an ergonomic fit and great freedom of movement. • Anatomical knit structure ideal for use as an inner base layer in cold climates. • Perfect for running, outdoor training, hiking, and winter sports. • Size XS with a bright blue finish.