SPAR 15%
X-Bionic Radiactor 4.0 Pants deliver top-tier performance for winter athletes. Equipped with advanced 3D Bionic Sphere® and ThermoSyphon® systems, Xitanit® 2.0 heat-reflecting fibers, and targeted ventilation, they keep you at an optimal 37 °C—cool when you're warm, warm when you're cold. Ergonomically engineered waistband and partial compression ensure a perfect fit and muscle performance, while Expansion Ribs® add flexibility with continuous insulation. Lightweight and highly functional, these pants are crafted for extreme winter conditions and maximum endurance.
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