evo.com | Sweet Protection Bike Helmets > The Sweet Protection Bushwhacker 2Vi MIPS Viz Bike Helmet pairs industry leading protection with reflective detailing for enhanced visibility in low light. Built on Sweet Protection's high-performance 2Vi(R) platform it boasts a 4-piece shell construction designed to meet and exceed e-bike standards, lightweight MIPS(R) Air technology, and an updated 360 Occigrip Fit System for fine tuned comfort. So whether you're smashing DH trails by or digging deep to top-out on a climb, you can rest assured that the Bushwhacker 2Vi MIPS Bike Helmet has everything you need for the highest level of mountain biking. Polycarbonate / EPS Foam STACC Ventilation STACC is short for Superficial Temporal Artery Cooling Channel. A front vent, an internal channel, and an exhaust vent cool down the temporal artery without exposing your temples which are the most vulnerable area of the head. Patent Pending. 4-Piece Shell Construction The unique 4-piece in-mold shell structure utilizes variable polycarbonate outer shell thicknesses and geometrical shapes to optimize protection performance 360 Occigrip Fit System The updated 360 Occigrip Fit System allows for easy on the fly adjustments to the helmet height and is designed to integrate seamlessly with Sweet Protection eyewear. 2Vi(R) Helmet Technology Platform 2Vi(R) is a high-performance helmet technology platform developed by Sweet Protection that is especially designed to increase safety and improve comfort without compromising on weight and volume. | Sweet Protection Bushwhacker 2Vi MIPS Viz Bike Helmet 2026 - M/L in Black Size Medium/Large