A group fitness instructor with a strong studio presence and active social following has a built-in audience. The 6am members buy the instructor's class because of them, not just because of the studio. Branded apparel turns that audience into a passive income stream with zero inventory risk. Below is the side-hustle merch playbook for fitness instructors who want to earn off their following.
Most group fitness instructors teach 8 to 16 classes a week across multiple studios. Each class has 25 to 60 members. Across a typical year, an instructor touches 800 to 3,000 unique class members.
Add the social following (Instagram members who follow class clips, the personal email list, the workshop attendees) and the addressable audience easily exceeds 5,000 people for an active instructor in year three.
| Audience reach | Pickup rate | Items / month | Margin / item | Monthly earn |
|---|---|---|---|---|
| 500 active members | 3% / month | 15 | $12 | $180 |
| 2,000 active members | 2% / month | 40 | $12 | $480 |
| 5,000 active members | 1.5% / month | 75 | $15 | $1,125 |
| 10,000 active members | 1% / month | 100 | $15 | $1,500 |
Holiday and cert-launch months 2 to 3x these numbers.
Bear Grips Pro Shops: Custom Apparel for Your Team. No Minimums. Free Shipping.Most studios are fine with instructor personal merch as long as the studio logo is not on the merch. Some studios require that instructors do not sell competing fitness apparel within the studio.
The cleanest approach: sell personal merch outside the studio (social channels, the instructor's own newsletter) and keep the studio-branded apparel on the studio's shop link.
Every Bear Grips Pro Shops vendor also gets an affiliate link. When an instructor refers another instructor or studio to open their own shop, the referring instructor earns 10% of that vendor's subscription forever plus $1 per unit sold.
For an active instructor with peer relationships across multiple studios, this stacks meaningfully. See the affiliate program for the full payout structure.
Zero upfront cost, $10 to $15 margin per item, no inventory. Ships direct to buyers in about a week.
Start FreeBetween $180 and $1,500 per month depending on audience size and pickup rate. Holiday months and cert launches push 2x to 3x that range.
Most studios are fine with personal merch as long as the studio logo is not on the merch. Confirm before launching.
Zero on the Free plan, $59/month on VIP for the lower base pricing. Most instructors clear the VIP fee inside the first month.
About a week from order to delivery with free US shipping included to each buyer.
Bear Grips Pro Shops