A promotional poster for Doomsday Defense Dojo in South Easton, Massachusetts, featuring a muscular man with crossed arms, wearing a black martial arts shirt with the dojo name, and a large red and black martial arts logo.

World-class martial arts training without the ego. Beginners, experienced athletes, families, and competitors are welcome here.

Founded by UFC veteran & 3rd degree BJJ black belt John “Doomsday” Howard.

Doomsday Performance Rash Guard
$38.00

The Doomsday Performance Rash Guard is built for athletes who don’t cut corners. Whether you’re rolling, drilling, or putting in work off the mats, this piece delivers compression, mobility, and durability where it counts.

Designed with a clean, fight-ready look and the signature Doomsday logo over the chest, this rash guard represents discipline, pressure, and consistency.

Features:

  • Compression fit for muscle support and recovery

  • Lightweight, sweat-wicking performance fabric

  • Full range of motion for grappling and striking

  • Durable stitching built for intense training sessions

This isn’t just gear—it’s part of the mindset.

HOW DO YOU WANT TO TRAIN?

THE REDS HAVE ARRIVED.

The newest Doomsday Defense Dojo rashguard is officially live.

Built for the mat. Made to stand out. The new Doomsday Red Rashguard brings our signature look into a bold new colorway designed for training, rolling, striking, or repping Doomsday wherever you go.

Limited first drop available now.

A mixed martial arts fighter wearing UFC championship belts and gloves, standing confidently. The left side shows a red and black logo with a heart, sword, and shield, with the text 'Doomsday Defense Dojo.' The right side features bold text about training with experience, UFC veteran, professional fights, black belt, and Muay Thai Kru, along with descriptions of training benefits.
Collection of five customer reviews with five-star ratings, dates, and descriptions about training and experiences with specific coaches in martial arts, mostly Muay Thai and Jiu-Jitsu.

DON’T TAKE OUR WORD FOR IT.

Fitness class schedule with bold black and red text promoting martial arts classes and weekly schedule unlock, including days of the week and time slots.
Three cans of Tatsu Tea with flavors Matcha Lychee, Matcha Strawberry, and Matcha Peach, surrounded by lychee, strawberries, peaches, and green tea powder, with promotional text about the tea's ingredients and benefits.
A promotional graphic with the phrase "More than a Fight Gym" and various logos, including community autism resources, BJJ club, Tatsu Tea, mindful recovery, a bear mascot, Big Brother Big Sister, and others, with a message in red text: "The mat is where we train. The community is why we're here."