Boston Marathon running shirt with thumb holes for secure comfort.

Unleash your determination with the Boston Marathon 2026 1/2 zipper shirt. Designed for those who embrace the challenge of running, this shirt embodies the essence of speed and commitment. With a focus on functionality, this shirt is built to support fast runners, providing a race day feeling every time you wear it. Crafted with lightweight pique material, it offers a breathable fit that helps you feel comfortable mile after mile. Thumbholes add an extra layer of practicality, keeping sleeves in place and hands warm during cooler runs. The slim fit provides a sleek silhouette, and the adizero back neck tape and reflective performance logo help you stand out, whether you're in training or on the big day itself. The 1/2 zipper offers a classic sportswear vibe, while the hood completed the look. Embrace the journey with adidas and let this running shirt be your companion in achieving new personal bests. It's more than just a shirt; it's a testament to your dedication and passion for reaching your goals.