sweat-activated technology

hard work + your sweat =
motivation revealed

, the official
training shirt of BOLDERBoulder.

OH YES YOU CAN! Start your BOLDERBoulder training with this ViewSPORT sweat activated training shirt. As you sweat, your shirt reveals graphics that were invisible when the shirt was dry.



Buy your 2020 ViewSPORT sweat-activated BOLDERBoulder training shirt here:

What started as a few hundred friends racing through the streets of Boulder, CO is now, 42 years later, deemed America's All-Time Best 10k by Runner's World. Each year hosting 50,000+ participants and 100,000+ spectators throughout the course for what we like to call the biggest and best Memorial Day celebration on earth. We hope you will join us to celebrate fitness, training, and our country.

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.

Shop Now