Orca Perform Mens Singlet: Orca's new Perform Singlet utilises an innovative new performance fabric that works as hard as you do. Dynamic-Ag blends the comfort and wicking characteristics of polyester, with silver yarn, which naturally regulates your body temperature, is anti-bacterial and anti-static. The racer-back style singlet also has seam sealed panels of Orca's new Hex-Vapour fabric, which uses a honeycomb mesh construction to provide increased breathability in key areas of the garment. The organic panel construction is inspired by the stealth and speed of the orca killer whale, and reflective logos mean the Perform Singlet is perfect for performance indoors and outside. Silver yarn fabric : anti-bacterial, anti-odour, anti-static, thermodynamic Wicking fabric: comfort, performance Mesh underarm panel: ventilation, comfort, performance Reflective Orca transfer logo: safety, visibility Flat lock top stitch: comfort, performance Silicone back neck label: comfort, low irritation Seam seal insert: comfort, design Main: dynamic-ag 120gsm 98.6% polyester 1.4% silver Contrast panel: hex-vapor 100% polyester honeycomb mesh