Buff have taken their legendary lightweight multifunction tubular and have added 4-way stretch to the fabric to offer superior elasticity and improved comfort while remaining true to the essence of their incredibly popular Original Buff These Buff s also offer a fantastic level of UV protection to keep you protected from the sun s harmful rays moisture management to keep you dry and comfortable in warmer conditions as well as thermal insulation by reducing heat transfer to help keep your body heat stable With each Buff being made from exclusive Polyester microfibre supplied and certified by Repreve reg containing two recycled bottles each you can be confident that they are taking positive steps to improve their sustainability while protecting your neck and making you feel more comfortable while walking running cycling and more