This “Best Of” bike helmet the Giro Atmos combines technology and style to create one of the coolest—literally and figuratively—bike helmets ever. First the literal part: Santa Cruz, California-based Giro has built in 26 “wind tunnel” vents in the Atmos to keep your head cool under all conditions. As for the figurative cool, it just takes a glance to see that it is, well, very cool. And underneath the cool surface is some very impressive technology that makes for a very safe helmet. The At... FULL REVIEW

Italian-made Limar helmets are famous for their performance and style. And none of the company’s helmets delivers on that combination better than our “Best Of” pick, the Limar 950. The double in-mold construction, which bonds the outer microshell to the inner expanded polystyrene foam inner, includes carbon fiber reinforcements that mean added protection and strength. On the inside, you’ll find specially designed pads that add to the comfort and help soak up sweat. There’s even a soft, washa... FULL REVIEW

Bell’s been making helmets for nearly 50 years—for everything from Formula One racing to Olympic cycling. The experience shows through in our “Best Of”—the Bell Sweep R. Bell pioneered the process of bonding the outer microshell to an inner EPS foam layer and the Sweep R makes the most of it. Specially designed ventilation channels in the helmet's liner steer cool air in at the front of the helmet, take it across your head and let the warm air flow out rear vents. So your head stays comforta... FULL REVIEW