Mons Royale Olympus Merino Glove LinersAt 250gsm, these super warm merino glove liners integrate with your regular mitts or gloves so you can tinker and fiddle without fear of frostbite. Olympus Glove Liners have midweight 250 merino wool with a two ply yarn to make cold days more bearable and added elastane so the gloves keep their shape and last longer. Use as a liner or a glove Anti odour breathable merino.