The Torsion SS shirt is a short sleeved base layer designed to be worn tightly next to the skinMade from Prolen (polypropelene), Becool (Nylon) and ElastaneProlen is used in high perspiration areasBecool has high tensile strength for muscle vibration absorptionElastane is used throughout the garments as a stretch recovery yarn, giving better anatomical fitThe Torsion shirt creates muscle support, aids recovery and helps temperature controlThe tubular, seam-free construction of Torsion garments reduces the amount of seam rub and reduces abrasion.