Look good and feel good at the same time. It can be as simple as that. Underneath the Tracker's sleek exterior, you'll find useful features that will keep you both cool and comfortable on short and long runs. The Ergo Fit System boasts a sleek and easy-to-use dial, enhanced by Bell's latest No-Twist Tri-Glides system, which makes adjustment even easier. The large vents let in plenty of cooling air, while the high-quality, lightweight construction almost makes it feel like the helmet isn't even there. - Visor / peak: without - Purpose: road bike / cyclocross - Weight: 275 g - Helmet construction: In-Mold technology - Adjustment system: Float Fit - Test mark: CPSC - Closure system: No Twist Tri-Glides Material: Polycarbonate shell Ventilation openings - Number: 25.