The Hermanos Koumori Training Singlet in Turbulence Blue is crafted from a lightweight, high-performance blend that delivers stretch, breathability, and quick-drying comfort. Designed with an all-over perforated fabric for enhanced ventilation, a round neckline, and deep-cut armholes for unrestricted movement, it features a regular fit and is finished with clean heat-transfer detailing for a refined technical look.