Petzl Boreo Helmet NCL • Base when open forms flat top with multi • Base when open forms a triangle of 36" x 36" x 48" (920 mm x 920 mm x 1210 mm) while also stretching to accommodate on bike movements Flexible headband conforms well to the shape of the head and folds into the shell for storage and transportation References A042FA00 A042FA01 A042GA00 A042GA01 A042HA00 A042HA01 Color(s) Blue Blue Orange Orange Red Red Size S M M L S M M L S M M L Weight 285 g 295 g 285 g 295 g 285 g 295 g Head circumference 48 58 cm 53 61 cm 48 58 cm 53 61 cm 48 58 cm 53 61 cm Guarantee 3 years 3 years 3 years 3 years 3 years 3 years Inner Pack Count 1 1 1 1 1 1 References A042AA00 A042AA01 A042EA00 A042EA01 Color(s) White White Gray Gray Size S M M L S M M L Weight 285 g 295 g 285 g 295 g Head circumference 48 58 cm 53 61 cm 48 58 cm 53 61 cm Guarantee 3 years 3 years 3 years 3 years Inner Pack Count 1 1 1