The Boston Marathon 2026 1/2 Zip Long Sleeve Shirt is designed for those who seek performance and style. With a slim fit and lightweight pique material, this shirt offers a race-day feeling. Keep dry with adidas AEROREADY technology, which ensures you stay comfortable during your training. Featuring a side key and card pocket with a concealed zipper, thumbholes, this shirt is perfect for fast runners. Fit & Design Slim fit Made with lightweight pique material for performance High neck and 1/2 zip closure provide a snug fit Long sleeves Side key and card pocket with concealed zipper Thumbholes offer added warmth and coverage during cooler runs Reflective performance logo Technology Moisture-absorbing AEROREADY technology helps keep you dry and comfortable