Lazer Blade+ bicycle helmet The Blade+ combines good looks with high performance. The perfect helmet for both weekend rides and everyday use. The narrow shape in combination with the Advanced Rollsys Retention System offers a perfect fit and good adjustment options. The helmet has 22 ventilation openings to keep you cool. For a sleek finish and extra protection against impact, this helmet has a bottomshell. Specifications: Model: Blade+ Color: yellow Gender: unisex Outer shell material: plastic Intermediate shell material: foam Inner shell material: mesh Ventilation: 22 ventilation openings Weight: 230 grams Construction: In-Mold Adjustment system: ARS Safety certificate: CE-CPSC-AS Head circumference: 50 - 54 cm Size: XS