Leatt MTB ThermaFlow 4.0 Jacket black XS

The ThermaFlow 4.0 jacket offers sleek cold protection for performance-oriented rides in autumn and winter. Strategically placed specialty fabric panels combine weather protection, insulation, breathability, and ergonomic stretch—with warmth in the front from a wind-resistant, brushed material and improved airflow in the back from a breathable WarmYarn knit fabric. The close-fitting design and extended back are optimized for aggressive riding positions, while five back pockets (3 accessible from the top, 2 with zippers) securely store essentials. Made with PFAS-free water and dirt-repellent treatment and from bluesign® certified materials—streamlined, sustainable, and designed for tough riding when it gets cold.
Features
FIT: Next-to-skin fit—longer back section with gripper print—pre-shaped ergonomic sleeves
MATERIAL: Strategically placed specialty fabric panels optimize weather protection, insulation, breathability, and ergonomics—front panel and front sleeve material are wind-resistant due to the weave construction, with a brushed inner side for insulation and 4-way stretch—back panel and back sleeve material are made from a super-elastic WarmYarn knit that offers excellent insulation and heat management with natural antistatic and bacteriostatic properties—quick-drying—hidden seams with internal overlock stitching for comfort—welded and seamless hem
SUSTAINABILITY: bluesign® APPROVED material (gold standard for more sustainable textiles)—plastic-free packaging
WEATHER PROTECTION: With DWR C0, PFAS (PFC)-free, for a more environmentally friendly dirt and water-repellent treatment—low wind resistance
VENTILATION: Strategically placed materials for an optimal balance of weather protection and ventilation
STORAGE: 5 back pockets (3 accessible from the top, 2 with zippers)—pockets made from a lightweight stretch polymer fiber fabric