Get the most out of your performance with this Mens Sondico Base Core Long Sleeve Base Layer which has been crafted with Optivent technology which ensures sublime breathability, whilst the inner rubberised grips to waist ensures a secure fit and the Sondico branding completes the great look. Powered by LYCRA® fibre for long-lasting comfort and freedom of movement. > Men\\\'s Base Layer > Long Sleeves > Crew Neck > Optivent Ventilation Technology > Inner Rubberised Grip at the Waist > Printed Logo on Chest and Back > Sondico Branding > Shell: 92% Polyester, 8% Lycra (M.Grey: 90% Polyester / 10% Lycra) > Mesh: 82% Polyester, 18% Elastane > Machine Washable at 30 Degrees > Keep Away From Fire