Body: Polartec® Delta™ 51% Polyester, 45% Tencel, 4% Spandex. Sleeves: 85% Nylon, 15% Elastane. Designed for ultimate speed and performance! The long-sleeve Flexair Delta™ is the ultimate jersey for warm weather. This jersey, made from high-quality Polartec® Delta™, offers top-level performance with enhanced airflow, reduced friction, and heat dissipation even on long, hot days on the trail. The sleeves, made from incredibly durable fabric, ensure abrasion resistance in key areas, making the Flexair Delta™ one of the most versatile jerseys in our collection. Whether you are blazing down trails or cruising through technical sections, this jersey delivers comfort and durability that stands up to the rigors of mountain biking.