The Mulhacen jacket, ideal for aerobic activities requiring the best balance between lightness, thermal protection and maximum breathability. The front and back are made from a super-light 30D fabric with 80 g Polartec® Alpha® padding, while the sides are made from woven ACTISTRETCH fabric. Polartec Alpha active insulation continuously releases excess body heat before it accumulates and causes saturation and discomfort. This patented, adaptable knit quality is made possible by Alpha's bulky fibers, which are bonded to a solid mesh core. And because Polartec Alpha's design is naturally hydrophobic, it resists all moisture and dries incredibly quickly. Super-lightweight 100% recycled 30D polyamide fabric - weight 43 g/m2. PFC-free water-repellent treatment. ACTISTRETCH in 92% recycled polyester with GRS certification - 8% elastane - Weight 310 g/m2 80 g Polartec AlphaTM padding with GRS certification.