Afghan Graphite Multifunctional Tubular Bandana The Buff Multifunctional Tubular is an ideal accessory for many activities. Designed to keep both warm and cold, it promotes moisture from the skin and keeps skin cool when it’s hot. The lightweight and breathable fabric is windproof and extremely comfortable to wear. Can be worn as a neck scarf, headband, wristband, mask, hair band, balaclava, scarf, hat, hat etc.