Thanks to this fabric

ya que no pierden nunca su forma inicial

and on the back

Our Running Belt will keep you connected and secure so you can go further with less worry

Protector de cuello - Popeye Pop Art running-jackets Thanks to this fabricOtso's Head Tubes, weighing less than 30 grams, are the ideal complement for any outdoor activity when temperatures drop and we want to feel protected from the cold and wind. They have multiple applications around our head and neck. They are breathable, super quick drying, and the "tubes" are seamless. Made of 100% polyester with the OEKO TEX certification. Polyester allows us excellent sublimation, enabling us to offer unique and attractive designs.