The Trekmates Cool Scarf is a fantastic way for you to keep yourself cool & comfortable on hot summer days & when you are enjoying travelling & sightseeing abroad This lightweight & comfortable scarf contains polymer cooling crystals stitched into the central section all you need to do is to immerse the scarf into water for 4 minutes & the crystals will absorb & retain the water & will keep you cool for days Alternatively for an extended cooling effect you can place this item in the fridge or the freezer The Trekmates Cool Scarf has three button holes on one end so that you can thread the scarf through or tie it around your neck or you could even wear it around your forehead for additional cooling effect