Oakley HSTN (52) Matte Carbon Prizm Ruby heart rate monitor These are the convergence of

These are the convergence of an aero overshoe and your typical thermal bootie

This 3D net forged 6061 aluminum stem offers +/- 30 degrees of stem angle for riders wanting a more comfortable fit

the S 5 Superflow is a fantastic choice for any urban cyclist

a single charge ensures 50 hours of use at least

Its simple design fits most bikes and mounts easily

Oakley HSTN (52) Matte Carbon Prizm Ruby heart rate monitor These are the convergence ofOakley melds progressive design with heritage features in HSTN, a gender neutral sunglass with striking modernized circular lenses. HSTN features Prizm Lens Technology and a modernized trigger stem (influenced by Oakleys Razor Blades, an homage to the brands past). A lightweight and durable O Matter frame helps provide all day comfort and comes in two sizes for a more seamless fit. HSTN is available with Oakley Authentic Prescription lenses