The ThermaFlow 4.0 jacket delivers slim, high-performance cold protection for ambitious autumn and winter rides. Strategically placed fabric panels combine weather protection, insulation, breathability and ergonomic stretch: wind-resistant, brushed material at the front for warmth, plus a highly breathable WarmYarn knit on the back to enhance airflow and temperature regulation. A next-to-skin fit and extended back are built for aggressive riding positions, while five rear pockets keep essentials secure. Finished with a PFAS-free, water- and dirt-repellent DWR and made from bluesign® APPROVED materials for a streamlined, more responsible choice when temperatures drop.Next-to-skin fit; extended back with gripper print; pre-shaped ergonomic sleevesWind-resistant woven front and front sleeves with brushed insulation and 4-way stretchWarmYarn knit back and rear sleeves: super-elastic, insulating, outside-basedly antistatic and bacteriostaticFast-drying; concealed seams with internal overlock; bonded, seamless hemDWR C0, PFAS(PFC)-free finish; low wind resistanceStorage: 5 rear pockets (3 top-entry, 2 zip); laser-cut zip chest pocket for smartphoneReflective print on lower back; premium YKK zippers; antibacterialSizes: XS–3XL (3XL in black only)