AUSTRO Core Silver ™ is antimicrobial and anti-odour, keeping you fresh and cool. The ultimate of the basic collection offers a variety of styles and fits to accommodate the wardrobe stable of every guy. The pairs are made of extra soft Long-staple cotton and treated with Silver Ions. The Core Silver ™ collection offers a classic logoed waistband with various pouch supports and trim detailings for easy, effortless everyday wear. The core collection is available in White, Black, Navy, Red, Heater Grey Marl, and Charcoal Marl.