Pro Tour HV Boots The Slim Race Shell offers

The Slim Race Shell offers more flex than the STI 150 while retaining complete control

providing more stiffness and energy transfer to maximize power and performance

Thanks to Sole

its Grilamid shell maximizes control and response

The Flex Tongue is stiff at the top with flex at the bottom

Pro Tour HV Boots The Slim Race Shell offersPRO TOUR liners are best for back country, tele, and touring applications. A lace up, tongue style liner available in 3 Volumes: HV (High Volume, thickest), MV (Medium Volume), and LV (Low Volume, thinnest), to accommodate a range of shell fits. These dual density, light weight liners feature a softer flexing lay up, and a roomy toe box for maximum comfort on long tours. The strategic rear panel increases range of motion for tour ability while the