ALPINESTARS Supertech R Boots - Black - US 8 / EU 42 2220021-10-42 Purpose Mid-Layer Jacket One-piece exhaust vent improves exhaust

One-piece exhaust vent improves exhaust performance and aerodynamic stability

Chest and back pad compartments with PE padding (Alpinestars Nucleon chest and back inserts available as accessory upgrade)

100% polyester microfiber

odometer and two trip meters Universal speed sensor and bracket allow rider to install this meter on just about any application Back-lit dial with illuminated needle shows tachometer with 15

All spokes are polished to maintain surface strength

ALPINESTARS Supertech R Boots - Black - US 8 / EU 42 2220021-10-42 Purpose Mid-Layer Jacket One-piece exhaust vent improves exhaustAdvanced 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 TPU for breathability and airflow Flexible accordion microfiber on Achilles gives enhanced natural movement Strategically positioned ventilation area in heel and shin Outside entry exit has stretchable