All Challenge T-Shirts Are Pre-Order.

12 Ultra-Marathons In 12 Months is a great achievement.

Our high-quality technical t-shirt is designed for comfort and performance and is a perfect way to showcase your achievements to other runners.

Our technical T-shirts and vests are manufactured by Scimitar. The fabric is 'aerolite qwick-dri'.

Please see the sizing chart in the images for manufacturer sizing information.