Resources

SFI racewear guides

Guides for racing brands and distributors on SFI ratings, fire-resistant materials, certification and private-label production.

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Ratings, materials and construction compared

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Safety & Certifications · 8 min read

SFI 3.2A/1 vs 3.2A/5: Racing Suit Ratings and TPP Explained

What the number after the slash on an SFI racing suit label really means, how TPP is measured, and how to choose between an SFI 3.2A/1 and an SFI 3.2A/5 suit for your series.

Materials · 7 min read

Nomex® vs Proban®: Which Fire-Resistant Racing Suit Fabric Is Right for You?

Nomex® and Proban® both protect against fire, but they work in completely different ways. Here's how they compare on protection, weight, comfort, care and price.

Safety & Certifications · 7 min read

Racing Gloves and Shoes: A Buyer's Guide to SFI 3.3/5 Driver Accessories

Your hands and feet are your connection to the car. How to choose fire-resistant racing gloves and shoes — ratings, construction, fit and sizing tips from the factory.

Safety & Certifications · 5 min read

Fire-Resistant Base Layers, Balaclavas and Socks: The Layer Under the Suit

What you wear under your race suit matters as much as the suit itself. Why fire-resistant underlayers add protection, how they should fit and how to look after them.

Safety & Certifications · 6 min read

SFI vs FIA Racing Suit Ratings Explained

A practical overview of how SFI and FIA racing suit standards differ, and why the distinction matters when sourcing a suit for your market.

Materials · 5 min read

Racing Suit Material Guide

An overview of how material choice affects performance, durability and cost in racewear manufacturing.

Safety & Certifications · 7 min read

Private-Label SFI Racewear: Certification and Labelling Explained

Who certifies an SFI suit, what the patch and labels must show, and what that means when you sell racewear under your own brand.

Private Label · 6 min read

How to Plan an SFI Racewear Collection for Your Brand

Building a coherent range of suits, gloves, shoes and FR underwear: choosing ratings, constructions, sizes and branding, and quoting it as one order.

Manufacturing · 6 min read

How to Evaluate an SFI Racewear Manufacturer

The questions US brands and distributors should ask before placing SFI racewear production: certification, test data, samples and labelling.

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