GNT Racewear SFI 3.3 Underwear Set – Flame-Resistant Top & Pants

The GNT Racewear SFI Underwear Set is designed to provide an extra layer of fire protection, comfort, and breathability for every racer. Certified to SFI 3.3 standards, this flame-retardant underwear is the perfect companion for both single-layer and multi-layer race suits, giving drivers added peace of mind on the track.

Enhanced Safety & Protection

Wearing a fire-retardant underwear set under your race suit significantly increases protection in the event of a fire. The long-sleeve top and full-length pants create an additional barrier, helping to reduce heat transfer while maintaining breathability.

Comfort Built for Racing

Made from soft, lightweight, flame-resistant fabric, the GNT underwear set keeps you cool, dry, and comfortable during long race days. Its ergonomic design allows for freedom of movement without sacrificing safety or durability.

Key Features

• SFI 3.3 Approved – tested and certified fire-retardant protection

• Complete Set – includes long-sleeve polo top and long john pants

• Flame-Resistant Fabric – superior safety and reliability

• Lightweight & Breathable – comfort for extended wear

• Ideal for All Suits – adds protection under single or multi-layer race suits