The layer you put on first and take off last. Merino wool is ideal for direct contact with the skin as it is extremely soft, breathable, and at the same time durable. Merino Air-Con fabric (fibres are stronger while keeping their functional properties) is ultralight and suitable for year-round use. Mons slim fit hugs the body. Double layer fabric on the inner side of the leg and seamless sides offer maximum comfort. Waistband with Mons Royale logo. That is the Mons Royale HOLD’EM SHORTY. Merino is a soft sheep's wool that wicks sweat away while keeping the body temperature at an optimal level without any odours.