Alpinestars - Supertech R Boots - Black/Magenta/White/Yellow Diavel (2015+) Secured in position using stainless

Secured in position using stainless steel bolts

perforated soft Polyurethane (PU) foam compound for comfort

Bioceramic Nylex® Interior

Machined from a solid block of Delrin

It is also waterproof

Alpinestars - Supertech R Boots - Black/Magenta/White/Yellow Diavel (2015+) Secured in position using stainlessAdvanced microfiber upper construction for lightweight high performance protection and superb levels of flexibility Front flex area is constructed with a soft microfiber for improve abrasion resistance and natural forwards and backwards movement Thermoplastic Polyurethane (TPU) for breathability and airflow Flexible accordion microfiber on Achilles gives enhanced natural movement Strategically positioned ventilation area in heel and shin Outside entry