scitec sportruházat, XRD and FTIR test results in S6 File conducted on each of the five layers of the 3M Aura 1862+ and Kolmi op-Air M52010 masks reveal that all layers are made of the same Polypropylene material. If you want to make sure your hands are free in an emergency, this dual beam headlamp from Husky is designed to be worn on your head, like the name suggests.