ALPINESTARS Radon Drystar® Boots - Black - US 6.5 / EU 40 2441518-10-40 Weld-In O2 Sensor Bung PU suede and seamless thermo-welded

PU suede and seamless thermo-welded microfiber for durability and abrasion resistance

Sound reducing insert with spark arrestor (not included available separately)

Available in easy-pull high-efficiency design in standard diameters

Logo duct works well at low speed and with an upright riding position and can be opened or closed easily with summer or winter gloves

ALPINESTARS Radon Drystar® Boots - Black - US 6.5 / EU 40 2441518-10-40 Weld-In O2 Sensor Bung PU suede and seamless thermo-weldedMain upper is made of advanced microfibers for durability and long lasting comfort Incorporates ergonomic toe box construction for improved compatibility with the motorcycle controls and a superior, wide ranging foot profile for superior fit and comfort Internal heel counter and toe box for enhanced structural rigidity TPU shin plate and shift pad offer support and resistance to impacts TPR design on lateral toe gives more flexibility and resistance