Produktdetails Marke: Be52 All Be52 caps can be resized with a fastening strap. The caps are marked OSFA (One Size Fits All). The Be52 Barley cap is made entirely of knitted polyester. 100% certified recycled polyester twill is used on the front. The sides and back are 100% certified recycled polyester. Recycled polyester Recycled polyester (rPET) is a material obtained by recycling used plastic bottles. This process yields new polymers that are converted into textile fibre, which can in turn be recycled to give life to other plastic items. Recycled polyester is a great example of the circular economy. What will I save by choosing recycled polyester over conventional polyester? Be52 Milano cap black/white