Long sleeved, this thermal shirt allows more 3D patches to be inserted that procure strength and tonicity to the arms during full workout. The 3D patches provide localized compression support to the biceps and the forearm. Shocks and vibrations are easily absorbed so that muscles are protected from injuries and tears.Wearers of this new innovation 3D Thermal shirt qualify it as “second skin” that protects from the cold and the elements during winter races.·In this ideal thermo-regulating base layer shirt, your body will not need to fight to stay at 37°, the right temperature.·A 3D weave creates a thermal mattress made of ventilation channels and air cushions. Body temperature stays at 37° when in-coming cold air is thermo regulated prior to touching the skin.·As thermo-regulator it also wicks out sweat so the body does not overheat.·The fabric dealing with keeping body temperature stable, you save energy and keep focusing on your performance.·Shoulders and upper body alignment are guaranteed thanks to a spin control pad woven in the fabric.·The Spin control pad keeping the body straight, muscle oxygenation is optimal, making recovery easy.·It is ultra light and pleasant to wear. Its seamless and close-to-the-body weave gives comfort, allows total free movements and avoids irritations.