Feel the burn as you hang right on the edge, knowing that you are raising your threshold aka pain tolerance. Let this shirt motivate you to crush the work ahead or remind you of what you already accomplished today.

You've now found the staple t-shirt of your wardrobe. It's made of a thicker, heavier cotton, but it's still soft and comfy. And the double stitching on the neckline and sleeves add more durability to what is sure to be a favorite!

• 100% ring-spun cotton
• Sport Grey is 90% ring-spun cotton, 10% polyester
• Dark Heather is 65% polyester, 35% cotton
• Pre-shrunk
 
• Unisex Sizing
 
*Endurance Strong donates 10% of net profits to charity to increase physical activity!