while CFD‑ and wind‑tunnel‑refined aerodynamics

plus a detachable thermal liner

Based on the iconic and classic Chelsea boot style

The outer layer is made from durable polyester designed to to shield you from the elements

and breathable comfort

supertech r vented boots yellow fluo black YGroup_3225524 while CFD‑ and wind‑tunnel‑refined aerodynamicsEngineered for ROAD riders, the Supertech R Vented Boots are Alpinestars motorcycle boots that deliver trackready protection and maximum airflow for summer sport riding. CE EN13634: 2017 certified, they feature a separate biomechanical inner bootie, redesigned TPU shin and heel protection, and coinjected TPU aluminum replaceable toe sliders, with laserperforated microfiber uppers. Improved flex zones and a grippy rubber sole enhance bike feel,