The Aztec Diamond Core Fitted Jacket is a premium long sleeve sports jacket crafted from high-quality sports fabric with a medium-weight. Tailored to be fitted yet comfortable, this jacket features ventilated mesh coupled with laser-cut air vents under the arms for added breathability. The thumb holes add comfort as well as built-in wrap-over gloves add extra warmth in the colder months. Crafted from high-quality sports fabric made from recycled plastic bottles Medium-weight material that offers excellent coverage Technical, fitted design tailored for performance Sculpted 3D pattern engineered for a perfect fit Ventilated mesh panel at the back for enhanced airflow Laser-cut air vents under the arms for added breathability Signature Core AD branding on both front and back Thumb holes integrated into the sleeves for comfort Built-in wrap-over gloves for extra coverage and warmth Breathable, sweat-wicking fabric that dries quickly Refined through years of testing and development Fitted jackets are crafted to fit like a second skin, providing a sleek and streamlined look. If you prefer a looser fit, we recommend sizing up.