Calling all runners and athletes! Wear your love for the Boundary Waters while you move. *Plan on running Grandma’s Marathon (Duluth, June 2026) or the Chicago Marathon (October 2026)? Join the charity runner team, and we will get you a code for a free marathon shirt! Learn more: https://www.savetheboundarywaters.org/charity-run160 gsm sweat-wicking breathable poly 4oz unisex running/athletic teeProduced By: Ambient Inks Production Method: Sublimation Please note: product images are digital mockups. Actual products may vary in color, brand, style and/or production materials due to reasons beyond our control.Fulfilled by Ambient Inks and shipped using compostable and/or recyclable packaging. To learn more about our sustainability standards and practices, please visit this link.