Race-level performance, ridiculous price: That's the new Circuit WSD helmet. Strong, light, highly ventilated, with simple adjustability - everything women like you need in your first real road helmet or as a spare for racers.Bontrager Circut Features: In-mold composite skeleton allows a greater variation of vent shape and sizeHeadmaster - One-handed fit system adjustable by height and circumferenceFormFit - Flexible head-conforming brow band improves comfort and ventilationFlatLock Strap Dividers - Strap management made simple with a fixed position fitInternal, recessed channels manage airflow through the helmet and over the headNeoVisor-compatible - Allows easy installation of NeoVisorCrash Replacement Guarantee