ALPINESTARS Radon Drystar® Boots - Black - US 4 / EU 37 2441518-10-37 Clutch Stretch panels on sleeves and

Stretch panels on sleeves and chest further improve fit and feel

Padding reinforcement on landing zones for safety

tunes and adjusts your air/fuel ratio for peak performance instantaneously Can tune engine fuel delivery in specific ranges

finished black anodized

Superior power than stock systems

ALPINESTARS Radon Drystar® Boots - Black - US 4 / EU 37 2441518-10-37 Clutch Stretch panels on sleeves andMain 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