Mons Royale Men's Hold 'em Boxer - Merino wool First on. Last off. A performance merino boxer with Hold 'em fit for superior support. Made with light, breathable and odour-resistant Merino Air-Con. Mons’ high performance merino underwear provides athletic support and natural temperature regulation with bold, contemporary style. 140 Merino Air-Con is ultra-lite and ultra breathable for year round use. Materials 83% merino wool 13% nylon 4% elastane Features Ultra Lite 140 Merino Air-Con fabric is fast wicking and naturally odour resistant  Mid-thigh length super hold        Signature Mons Royale wide waistband stays in place      No side seams for additional comfort. What's sustainable? ZQ Certificate   Non-mulesing Merino wool ZQ is a hallmark that certifies a farmer is meeting the highest standards in the areas of animal welfare, environmental care, and social sustainability - e.g. traceable, No mulesing, Hand selected Environmentally friendly dyes and water processing & fair manufacturing process -   read more