Trek Rally WaveCel Mountain Bike Helmet Black/Olive Grey S w22 Mapped with Thermacore™ Insulation [80G

Mapped with Thermacore™ Insulation [80G Body / 60G Sleeves]

Additional features are emergency removal ear pads

As the shell starts to cool it will start to adapt to the shape of your foot for a comfortable and performance oriented fit

this version is lighter with an even more powerful

you name it - the Combyn can handle it

Trek Rally WaveCel Mountain Bike Helmet Black/Olive Grey S w22 Mapped with Thermacore™ Insulation [80GA major advancement in the protection against cycling related head injuries Rally WaveCel is a high style, high value off road helmet with trail specific features and WaveCel, a leading technology in the protection against cycling related head injuries. WaveCel is a collapsible cellular structure that lines the inside of the helmet. This Trek exclusive technology disrupts the safety standards the industry has accepted for over 30 years. Product