tech air 7x system Size:M since the HT-7s are Bluetooth

since the HT-7s are Bluetooth enabled and can be managed directly via Alpinestars Heat Tech App

A-CS® Plus has about 30% elongation and offers an increase in tear resistance of 300% compared to HRSF (Hyper Resistant Stretch Fiber)

Superfabric® reinforcements in exposed areas for enhanced durability

plus a ventilated chassis

tech air 7x system Size:M since the HT-7s are BluetoothDeveloped from MotoGPproven technology, the Tech Air 7X System is Alpinestars most advanced motorcycle airbag system for road racing and track days. FIMapproved and CEcertified, it deploys in as little as 44 ms with 12sensor AI detection, covers shoulders, chest, back and coccyx, and cuts impact forces by up to 90% vs passive Level 1 back protection, with Ride Modes for track and street, plus a ventilated chassis.