stella tech zx briefs RGroup_8303823 a fully adjustable dial sizing

a fully adjustable dial sizing system

A protective riding shoe with unrivalled off-the-bike

and stamina

Wide direct ventilation ports with ‘quick hand’ activation design for effective climate control on the go in any conditions

shoulders and waist for an optimized fit

stella tech zx briefs RGroup_8303823 a fully adjustable dial sizingAlpinestars TECH ZX Series STELLA BRIEFS are constructed with LENZING FR, an innovative, sustainably produced viscose fiber that provides exceptional flame resistance and protection against heat transfer. This Formula 1 derived underwear is extremely lightweight and thin, and designed to be incredibly soft to the touch, offering greatly enhanced comfort when wearing beneath mandatory underwear layers. Certified to FIA 8856 2018 homologation standard