stella tech zx briefs 1 RGroup_1232-81000 thermal mid-layer designed to be

thermal mid-layer designed to be worn under the AMT-10 Jacket

CE-certified to EN 13634:2017

a robust 600D chassis

a breathable

stella tech zx briefs 1 RGroup_1232-81000 thermal mid-layer designed to beAlpinestars 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