Training for Boston requires getting out there for your run no matter what the weather's doing. Layer up for miles in the cold in this adidas long sleeve shirt. It's made with moisture-wicking AEROREADY to keep you dry through any distance. Built-in stretch allows freedom of movement, and thumbhole cuffs add extra coverage and a stay-put feel. Reflective details shine when the light fades. Made with a series of recycled materials, and at least 70% recycled content, this product represents just one of our solutions to help end plastic waste.