HERMANOS KOUMORI-GAS JACKET-HK26S1EGJBKM Talla:L and outsole atop an Air

and outsole atop an Air Zoom heel unit

Mesh upper with leather and felted overlays

Leopard-print tech-jersey

the Astra Ultra explores shape and style by utilising 3D

Printed Branding

HERMANOS KOUMORI-GAS JACKET-HK26S1EGJBKM Talla:L and outsole atop an AirThe Gas Jacket in black is a lightweight technical layer designed for everyday movement and versatility. Constructed from a stretch blend, it offers durability, flexibility, and a clean, structured silhouette. The full length front zip makes layering easy, while the refined collar construction and subtle Koumori Brothers branding provide a precise, elevated finish. Designed for comfort and performance, it transitions seamlessly between active workouts