The Umbro pro Long Sleeve Baselayer Top is perfect for your next training session, featuring a lightweight polyester construction coupled with a v neck collar, long sleeves and flat lock stitching that helps to reduce skin irritation and offers a comfortable fit. Mesh panels help to increase breathability to keep you at an optimal temperature, a subtle pattern along with the classic Umbro branding completes the look. Body: 89% polyester, 11% elastane Panels: 90% polyester, 10% elastane, machine washable.