Roof - RO9 Boxxer Twin Black Gloss

What size do you need? 54 XS / 56 S / 57 SM / 58 M / 60 L / 61 XL / 63 XXL De The right size ROOF helmet is determined by measuring your head circumference. The easiest way to measure is with a tape measure. The measurement point is the largest/widest point of the head, about 1-2 inches above de eyebrows, to the most protruding part on the back of the head. Take multiple measurements en take an average of de several measurements. If after de measurement(en) you are in between sizes, then it is wise to go for de smaller size, as the helmet interior will still shrink slightly the longer you use de helmet. De Helmet shell of de ROOF Boxxer is made of fiberglass, which together with de EPS inner shell is responsible for de protection. This brings the total weight to 1600 grams, which is 50 grams lighter than de original Boxer V8. De Chin box of de Roof Boxxer is fully foldable en with one hand to lock, for example while riding. Naturally, this system helmet is ECE 22.05 certified en in addition to in closed configuration it has been approved for open riding; thanks to de P/J homologation. De microbuckle chinstrap closure takes care of easy on- en off. Where de four-point attachment provides de necessary stability.