Alpinestars - Jacket GP Plus V4 Airflow Size:60 each confined to one fork

each confined to one fork leg

lightweight guard with open venting—both options provide up to 34 mm of sideways adjustment

Isopropyl (rubbing) alcohol

this on-the-bike mid layer works perfectly well as a light off-the-bike insulating jacket

Alpinestars - Jacket GP Plus V4 Airflow Size:60 each confined to one forkThe GP Plus R v4 Airflow Jacket is engineered and optimized for maximum ventilation and airflow and features extensive race derived features and materials including a dedicated Sport fit with pre curved arms for maximum riding performance, and race proven protection on the shoulders and elbows. Vented shoulders and extensive perforation zones on the chest and sides for maximum airflow. Alpinestars composite stretch technology, A CS Plus, stretch