sweat-activated technology

hard work + your sweat =
motivation revealed

, the official
training shirt of TOUGH MUDDER.

Every journey starts with a single step. Start your Tough Mudder journey in a ViewSPORT sweat-activated Tough Mudder training shirt. As you sweat, your shirt reveals messages and graphics that were invisible when the shirt was dry.

Prepare yourself for a shirt that will keep you motivated like never before. You’ll find out what you’re really made of, so be proud of it!


Hard Work + Your Sweat =
Motivation Revealed

Tough Mudder is not a race. It's a challenge. It's miles of mud and obstacles designed to test teamwork and grit. It's the ultimate social experience because our courses are engineered so that teamwork isn't just encouraged -- it's required. No matter your fitness level or appetite for endurance, we've got an event for you.

Buy your 2020 ViewSPORT sweat-activated Tough Mudder training shirt here:


100% polyester with an athletic fit, lightweight and breathable for comfort. ViewSPORT sweat-activated technology unique apparel with the official Tough Mudder logo reveals your motivational message on the front when you sweat.


  • Short sleeve crew neck
  • 100% breathable Microfiber Oxymesh
  • Inherent moisture wicking to keep you dry and comfortable
  • Treated with Bodyfresh to inhibit the growth of odor-causing bacteria
  • Easy care

Browse our entire line of sweat-activated fitness clothing and performance training gear, and order online with complete confidence using our highly secure SSL-protected checkout.

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