Skier-designed features include stretchy thumb-loop cuffs

Biaxial Medium Density Fiberglass – Medium density European-made fiberglass layers guarantee a consistent quality level

Compatible with integrated/detachable sunglass leash accessory

A brushed inside creates the softest feel and helps to wick moisture away from the body

Adventurous kids push their gear to the limit

Trek FX Sport 4 Bike Color:Crystal White/Supernova Skier-designed features include stretchy thumb-loopFX Sport 4 is a carbon fiber fitness bike for riders who want the speed of a lightweight road bike with the comfort and control of a flat handlebar. The 1x drivetrain simplifies shifting without sacrificing gear range, making this high performance bike perfect for everything from solo workouts to speedy group rides. Why you'll love it The 1x drivetrain delivers a wide range of gearing with the simplicity of a single shifter You get the superior ride