Active base laye with long sleeves: The BELLA TECH LS from Mons Royale designed a variety of sports. The Mons slim fit hugs the body. With raglan sleeves and flat seams for added comfort. Merino Air-Con fabric (fibres are firmer while preserving functional properties and lightness). Extended back (drop tail) to protect your back with breathable mesh back panels and thumb holes. Merino is a soft sheep's wool that wicks sweat away while keeping the body temperature at an optimal level without any odours.