Thermal shirt X-Bionic

Elevate your child's outdoor adventures with the X-Bionic L/S Invent 4.0 Long Sleeve Base Layer, featuring advanced thermal technology in vibrant sunset orange and anthracite, designed specifically for boys aged 10-11 years.

Long sleeve thermal base layer for junior boys, providing warmth and comfort with a teal blue and anthracite design.

Long sleeve thermal base layer for kids, featuring innovative technology to regulate body temperature and provide comfort during outdoor activities.

Stay warm and agile with the X‑Bionic Invent 4.0 long‑sleeve thermal shirt, engineered for men in size M. Its breathable, moisture‑wicking fabric keeps sweat off skin while a slim fit compresses muscles for better performance. The black design features reinforced seams and a subtle logo, making it ideal for running, cycling or everyday layering.

Lightweight thermal tee crafted from breathable, moisture‑wicking fabric that keeps you warm yet dry. Seamless design reduces chafing, while adjustable cuffs offer a custom fit in sleek opal black and arctic white.

Stay warm and agile with X‑Bionic Radiactor 4.0 thermal set, featuring a breathable long‑sleeve top in teal blue/anthracite paired with leggings in brown/black. Lightweight fabric wicks moisture, reinforced seams offer durability for active lifestyles.