OSS shirt club

JOIN THE CLUB

Get your first exclusive design for $10. New designs delivered monthly. PLUS access to the AI training tools FREE.

OSS Club Drop 01 Guillotine tee — lifestyle mockup in the gym
  • Exclusive parody designs you won't find anywhere else

    New limited-edition shirts every month. "Enjoy a Choke," "Just Tap," and more.

  • Full AI training suite included at no extra cost

    Game Map, Roll Journal, Jacked Grappler S&C, and Round Timer—train smarter, not just harder.

  • Quarterly gear drops at wholesale pricing

    Rash guards, supplements, training gear—test new products and help shape what we build next.

  • Cancel anytime, zero hassle

    No contracts, no phone calls, no BS. Cancel in 30 seconds from your account.

Need a different size before your next shipment? Email support@ossgrappling.com.

Your first shirt is $10. Membership continues at $30/month after 30 days unless you cancel.

By continuing you agree to our terms and privacy policy.

  • 100% RISK-FREE

    Try it today. Cancel anytime.

  • CANCEL ANYTIME

    Membership is flexible. You're in control.

  • NO QUESTIONS ASKED

    No hassle. No pressure. Just cancel.

  • YOUR SATISFACTION IS OUR PRIORITY

    We stand by our quality and service.

Why OSS BJJ Club

A training system, not just a shirt club.

Most grapplers plateau because they are training hard without a clear map. OSS includes a full training system with software tools built to help you identify gaps, track progress, and train with purpose. Included with OSS Club membership at zero extra cost.

01

BJJ Game Map

Visualize your entire game as a technique map so you can see strengths, gaps, and exactly what to drill next.

BJJ Game Map app screenshot

02

AI powered

Roll Journal

Capture rounds in under a minute with AI-assisted notes that surface patterns, coaching cues, and next-step focus areas.

Roll Journal app screenshot

03

AI Coach

Jacked Grappler S&C

BJJ-specific strength and conditioning: weekly blocks, session logging, and programming that respects mat time—not generic gym splits.

Jacked Grappler S&C app screenshot — weekly schedule and workout detail

04

Round Timer

Run simple round presets for live training with clear work and rest intervals. No ads ever, just clean training rounds.

Round Timer app screenshot

05

QUARTERLY GEAR DROPS

Free and heavily discounted products every quarter. Rash guards, supplements, training gear—test new drops and help shape what we build next.

OSS Grappling Club backpack
Post-Roll Recovery BCAA supplement tub
Flow Roll nootropic supplement tin
OSS knee brace support

After your free trial

$30/month. Here's everything you get.

  • A new shirt every month

    Exclusive designs you cannot get anywhere else. We guarantee it won't be cringe - or we're in the wrong sport.

  • Full access to the training system

    Game Map, Roll Journal, Jacked Grappler S&C, Round Timer—all connected. Log a roll, watch your game map update in real time.

  • Curated free instructionals

    Your game map links directly to free instructionals based on your gaps, so you stop searching forever before class.

  • Free and heavily discounted gear drops every quarter

    Every 3 months, members get access to exclusive product drops—rash guards, supplements, training gear. Some items are free, others are heavily discounted (40-60% off retail). Test it, review it, and help shape what we build next.

No catch

WE'RE NOT IN THE BUSINESS OF HOLDING PEOPLE HOSTAGE.

No contracts. No annual commitments. No shady fine print. Cancel in 30 seconds from your account page - no phone calls, no hoops. We built something we think you'll want to keep. If you don't, no hard feelings.

FIRST SHIRT. FIRST MONTH FREE.

Start for $10. Try everything for 30 days. If it's not for you, cancel before day 30 and pay nothing more. If you love it, membership continues at $30/month.