Rashninja is a brand of Rashninja LLC, your go-to online store for a diverse range of high-quality products that boast both stunning designs and impeccable quality, all designed to cater to your unique needs and ensure your utmost satisfaction. We specialize in short sleeve and long sleeve rash guards, with a wide variety of captivating themes like Viking and Samurai.

Our rash guards are designed to meet the needs of individuals engaging in a range of activities, from martial arts enthusiasts to outdoor adventurers. These exceptional pieces of apparel are manufactured in both Vietnam and China, and they are readily available in the United States.

Experience the perfect blend of style and performance with Rashninja. Unleash your inner warrior and elevate your performance with our premium rash guards today!


At our score, we operates on creation, individuality, inclusive to make products and bring them to you with a belief that they may make your life more wonderful. We are also helping a lot of people have great ideas to gift their friends.


We always try our best to provide customers great online shopping experience by ensuring not only the smooth buying process but also the good after-sales service. Please do not hesitate to contact us, give us comments, feed-backs, suggestions or even criticisms.

Thanks for shopping with us!


Visit our store on Amazon: https://www.amazon.com/stores/RASHNINJA/page/84C42F0E-B68C-47AC-9EAE-9FA9AC526CDD


Rashninja LLC;

  • Email: support@rashninja.com
  • Phone: (325) 242-9088
  • Address: 200 Pearl St, Boulder, Colorado 80302, United States