REFUSE TO LOSE.
Streetwear forged for fighters and the people who train like them.
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Two letters.
One mindset.
I1 isn't a logo — it's a verdict. Born in MMA gyms, jiu-jitsu academies, and karate dojos, built for the civilians who've made martial arts their lifestyle. Heavyweight cotton. Reinforced seams. Cuts engineered by fighters, for fighters. No gimmicks. No compromise. Just the uniform of people who came to win.
One brand. Every discipline.
Martial arts isn't a niche anymore. It's the fastest-growing corner of fitness, fashion, and culture. Pick your art — see the kit.
MMA
Cage-ready fight shorts, rashguards, and walkout tees engineered for mixed martial arts.
- + War Hoodie
- + Combat Shorts
- + Victory Tee
The Arsenal
Best Seller23 viewing
New Drop41 viewing
Limited67 viewingOnly 4 leftIBJJF Approved18 viewingCamp Ready52 viewingOnly 3 leftFighter Cut34 viewingGear Up. Save More.
Everything you need to walk into the gym looking like you belong there. Curated by our fighters.
The MMA Camp Kit
- + Walkout hoodie
- + Combat shorts
- + Training tee
- + Gym bag
Worn In War.
Our gear is designed with — and tested by — pros across every discipline. Tap a card for their fight card.
The Verdict Is In.
"The Combat Shorts survived a 10-week camp with zero blowouts. Cut fits fighters — not average dudes pretending."
"Rashguard is thick, seams don't shred on the mat, and the walkout hoodie is my go-to off the mat. Real quality."
"Finally a brand that doesn't scream 'tapout mall kiosk'. Looks clean, feels heavy, wears like armor."
"Fit is spot-on. Shipping was 3 days. I've replaced most of my gym wardrobe with I1 in a month."
"Walkout hoodie is my new corner uniform. Weight is unreal, cut is dialed. Team is switching over."
"Finally cuts for women that don't look like an afterthought. Rashguard fit is chef's kiss."
"Muay Thai shorts open up perfect for teeps. Fabric doesn't cling when I'm sweating buckets."
"Ordered on Monday, wearing to open mat Wednesday. Quality punches way above the price."
"The Combat Shorts survived a 10-week camp with zero blowouts. Cut fits fighters — not average dudes pretending."
"Rashguard is thick, seams don't shred on the mat, and the walkout hoodie is my go-to off the mat. Real quality."
"Finally a brand that doesn't scream 'tapout mall kiosk'. Looks clean, feels heavy, wears like armor."
"Fit is spot-on. Shipping was 3 days. I've replaced most of my gym wardrobe with I1 in a month."
"Walkout hoodie is my new corner uniform. Weight is unreal, cut is dialed. Team is switching over."
"Finally cuts for women that don't look like an afterthought. Rashguard fit is chef's kiss."
"Muay Thai shorts open up perfect for teeps. Fabric doesn't cling when I'm sweating buckets."
"Ordered on Monday, wearing to open mat Wednesday. Quality punches way above the price."
"The Combat Shorts survived a 10-week camp with zero blowouts. Cut fits fighters — not average dudes pretending."
"Rashguard is thick, seams don't shred on the mat, and the walkout hoodie is my go-to off the mat. Real quality."
"Finally a brand that doesn't scream 'tapout mall kiosk'. Looks clean, feels heavy, wears like armor."
"Fit is spot-on. Shipping was 3 days. I've replaced most of my gym wardrobe with I1 in a month."
"Walkout hoodie is my new corner uniform. Weight is unreal, cut is dialed. Team is switching over."
"Finally cuts for women that don't look like an afterthought. Rashguard fit is chef's kiss."
"Muay Thai shorts open up perfect for teeps. Fabric doesn't cling when I'm sweating buckets."
"Ordered on Monday, wearing to open mat Wednesday. Quality punches way above the price."
"The Combat Shorts survived a 10-week camp with zero blowouts. Cut fits fighters — not average dudes pretending."
"Rashguard is thick, seams don't shred on the mat, and the walkout hoodie is my go-to off the mat. Real quality."
"Finally a brand that doesn't scream 'tapout mall kiosk'. Looks clean, feels heavy, wears like armor."
"Fit is spot-on. Shipping was 3 days. I've replaced most of my gym wardrobe with I1 in a month."
"Walkout hoodie is my new corner uniform. Weight is unreal, cut is dialed. Team is switching over."
"Finally cuts for women that don't look like an afterthought. Rashguard fit is chef's kiss."
"Muay Thai shorts open up perfect for teeps. Fabric doesn't cling when I'm sweating buckets."
"Ordered on Monday, wearing to open mat Wednesday. Quality punches way above the price."
Worn By Warriors
Questions?
Cut for fighters — athletic through the shoulders and chest, tapered through the waist. If you're between sizes and lift, size up. Full size guide on every product page.
Don't Get Left
On The Mat.
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