This product is created with a seamless knit construction that helps prevent chafing so you can keep comfortable and focused.This top features ACTIBREEZE™ technology with the strategic body-mapped knit aeration zones that provide targeted ventilation, advanced breathability, and comfort. It´s complemented with thumbholes at the sleeves for convenience for your daily runs.At least 50% of the garment´s main material is made with recycled polyester to reduce waste and carbon emissions.Features:- Actibreeze™ technology: With strategic aeration in high sweat zones for increased breathability- Reflective details are designed to help improve visibility in low-light conditions- Thumbholes at sleeves- At least 50% of the garment´s main material is made with recycled content to reduce waste and carbon emissions.