Sports • Self-Defense • Fitness
Rep the Brand. Train Like a Warrior.
Two brands built for fighters and everyday warriors — TuyaKeens sportswear worn in the ring and the gym, and Diamond Duke Fitness for boxing, self-defense and strength training.
The Future of Sportswear
The Future of Sportswear is TuyaKeens
The fight brand for the fighter and lifter in you — the new “gym rat.” We don’t sell anything. We’re a sponsorship brand: our mission is to put TuyaKeens on fighters and athletes around the world.

Nothing here is for sale — we sponsor fighters and athletes. Rep the brand in the ring and in the gym, and we’ll put you on.
TuyaKeens on Fighters Worldwide
Worn by Warriors
Boxers, MMA and Muay Thai fighters, and lifters — repping TuyaKeens across every ring and gym.

Boxing
Repped in the ring

MMA
Worn by warriors

Muay Thai
Built for the fight

Strength
For the lifter in you

Boxing
On fighters worldwide

Strength
The new gym rat
We Sponsor, We Don’t Sell
Nothing here is for sale. We back fighters and athletes — you rep the brand, we put you on.
Fighters Around the World
Our goal is simple: TuyaKeens on fighters and lifters across the globe, in every ring and every gym.
The Future of Sportswear
A bold new look for the fighter and lifter in you — the new “gym rat” standard.
Want TuyaKeens On You? Get Sponsored.
Fighter, lifter or gym? Join the movement and rep the future of sportswear. Reach out and let’s put TuyaKeens on you.
Training — Diamond Duke Fitness
Where the Real Diamonds Shine.
Boxing. Fitness. Discipline.
Building stronger bodies, stronger minds, and stronger communities. Real-world boxing, self-defense and conditioning for all ages and levels — learn practical techniques, build confidence, and protect what matters most.
Inside The Gym
Real Training. Real Rounds.
See what training with Diamond Duke Fitness actually looks like — from the gym floor to live sparring rounds.
Now Accepting New Clients
Personalized training, kids boxing, strength & conditioning — where the real diamonds shine.
Sparring Sessions
From the ring to the backyard mats — putting in the rounds and sharpening the craft.

Self-Defense
Be Prepared. Be Empowered.
Real-world self-defense training for all levels. Learn practical techniques, develop the awareness to avoid danger before it happens, and build the confidence to protect what matters most — all in a safe, supportive environment.
- Practical Techniques
- Awareness & Prevention
- Confidence & Mindset
- All Ages & Levels

Practical Techniques
Learn effective moves that work in real situations — footwork, punching and defense.

Fitness & Conditioning
Improve strength, endurance, speed and agility with structured training programs.

Mental Toughness
Build discipline, focus and the resilience to keep going when it gets hard.

Self-Defense
Real-world self-defense skills, awareness and the confidence to protect what matters.
Boxing Training
Real techniques, footwork, punching and defense.
Fitness & Conditioning
Strength, endurance, speed and agility.
Mental Toughness
Discipline, focus and mental resilience.
All Ages & Levels
Open to kids, teens and adults. No experience needed.
Confidence & Power
Build self-assurance that carries beyond the gym.
Self-Defense
Practical skills for real-life situations.
Membership Plans
Simple monthly memberships for every member of the family.
Adult Membership
Full-access training for teens and adults, ages 16 & up.
- Unlimited adult & teen classes
- Boxing, conditioning & self-defense
- Weekend open training
- Expert-led instruction
- The B.L.U.E App access
Children Membership
Confidence-building classes for kids, ages 7–15.
- Unlimited kids classes
- Boxing fundamentals & discipline
- Fitness & coordination
- Safe, supportive environment
- The B.L.U.E App access
Plus Membership
Add an extra family member to any plan at a reduced monthly rate.
- Discounted add-on rate
- Full class access included
- Perfect for families & partners
- Train together, save together
- The B.L.U.E App access
Class Schedule
Kids Class
Ages 7–15
Amateur Boxing
Ages 16 & up
Adult / Teen Class
Ages 16 & up
Open Training
Optional conditioning
Open Training
Optional conditioning
Find Us
Located within Pro Boxing Fitness
30 DuPage Court, Elgin, Illinois 60120


Join the movement
Too busy becoming everything I said I would.
Who cares what they say. Who cares if they doubt you. Be prepared. Be empowered. Show up and put in the work — the rest takes care of itself.
Get in touch
Start Your Journey
Questions about training, classes or our fight brand? Send a message and the team will get back to you.
Call or text
(224) 400-8983
Located within Pro Boxing Fitness
30 DuPage Court, Elgin, Illinois 60120