
Defend yourself.
Get fit.
Grow confident.
Self defence and boxing for fitness in Southend-on-Sea. You don't need experience, you don't need to be fit, and you won't feel out of place. We've had people of all ages and backgrounds walk through the door.
Three classes.
One community.
Whether you want practical self defence or a serious cardio workout, we have a class for you.

Self Defence
Adults 18+Techniques from multiple disciplines, taught for real situations. Not competition. Not theory. The kind of thing you'd actually want to know.

Boxing for Fitness
All levels welcomeTraditional boxing drills in a non-contact class. Sixty minutes of combinations, footwork and conditioning that'll properly test you.
Every class is just £10 for your first session
How to get startedNot your average
gym class.
The techniques work outside of a gym, not just in one. That's the starting point. Everything else (the fitness, the community, the confidence) tends to follow on from there.
Did you know
knife incidents reported each year in the UK
violent crime incidents recorded in England & Wales
Most people only think about this after something happens. Better to know before.
Real-world skills
Drawn from multiple disciplines, taught for real situations. Not points.
Serious fitness
Up to 600 calories a session. It's a proper workout.
Mental toughness
The confidence tends to spill out beyond the class. Most people notice it within a few weeks.
Ego-free environment
There's no pecking order. People actually want each other to get better.

“Hey, I'm Craig and I look forward to meeting you and beginning your self defence journey with KMS. Whether you're here to get fit, build confidence, or learn to protect yourself, you've come to the right place.”
Three nights.
Two locations.
All classes run 19:00–20:00. Turn up 10 minutes early for your first visit.
Not sure which class to start with? Drop us a message and we'll help.
Real results.
Real people.
“Best club with reality-based instruction. The training is practical, the environment is welcoming, and I feel genuinely more confident in my day-to-day life.”
“Most adaptable self defence training I've found. Craig keeps it relevant to modern situations. Nothing flashy, just what actually works.”
“My fitness and mental attitude have both improved massively since joining. I wasn't sure what to expect but the atmosphere made it easy from day one.”
“Excellent instructor, been a member since 2012. Craig knows his stuff and genuinely cares about every student making progress.”
“You learn to defend yourself, get fit, and meet genuinely good people. It's the best decision I made. Wish I'd started sooner.”
“Never thought I'd enjoy a martial arts class but this is different. No egos, no jargon — just practical training in a really supportive environment.”

Your first class
is just £10.
Turn up, put the effort in, and see how you feel. If you want to carry on, we'll talk. If not, you've lost a tenner and had a decent workout.
