Race Suit Guides & Resources
Everything you need to choose, measure for, design and care for a custom SFI-certified race suit — written by the people who build them. Start with the basics like SFI ratings and Nomex®, or dive into measuring, layers, washing and sponsor-logo placement.
Custom race suit guides
Clear, no-fluff answers to the questions racers ask us most — pick a topic to read the full guide.
SFI Ratings Explained
What SFI 3.2A/1, /5, /15 and /20 actually mean for fire protection — and which one your series requires.
Read the guide →What Is Nomex®
The flame-resistant aramid behind real race suits — why it chars instead of burning, melting or dripping.
Read the guide →How to Measure for a Race Suit
A step-by-step guide to taking the exact measurements we use to pattern a truly custom suit.
Read the guide →Single vs Double Layer
How many Nomex® layers you really need, what each adds in TPP protection, and the trade-offs in heat and weight.
Read the guide →SFI vs FIA
The two big racewear standards compared — what each certifies and which one your sanctioning body accepts.
Read the guide →Do Race Suits Expire?
When SFI certification lapses, how long a suit lasts, and when to recertify or replace it.
Read the guide →What SFI Rating Do I Need?
Match the right SFI 3.2A rating to your discipline — from track days to door cars to top-fuel drag.
Read the guide →How Much Does a Custom Suit Cost?
A clear breakdown of custom race suit pricing — what drives the cost and where the big brands mark it up.
Read the guide →Best Custom Race Suit Brands
An honest look at the top custom race suit makers — fit, certification, turnaround and value compared.
Read the guide →How to Wash a Nomex® Suit
Clean your suit without destroying its flame resistance — what to use, what to avoid and how to dry it.
Read the guide →What to Wear Under a Race Suit
Why fire-resistant underwear matters, what the rules require, and how layering boosts your TPP rating.
Read the guide →How to Design a Race Suit
Turn colors, panels and sponsor logos into a sharp, race-ready design — from first sketch to final proof.
Read the guide →Sponsor Logo Placement
Where to put sponsor logos on a race suit so they look pro, stay compliant and keep sponsors happy.
Read the guide →Matching Race Gear
Pull gloves, shoes and accessories into one cohesive look that matches your custom suit.
Read the guide →Done reading? Design your suit
Put what you learned to work. See your exact custom suit in ~3 hours — no payment, unlimited revisions until it's perfect.