Description
The Simpson Racing Pro-Fit Base Layer Bottom in Black (4XL) is designed to provide advanced comfort, flexibility, and fire-retardant protection for motorsport drivers. Built as part of Simpson’s premium Pro-Fit range, these full-length base layer bottoms deliver an ergonomic fit with lightweight breathability for demanding racing environments.
Constructed with trusted Nomex® material, the Pro-Fit bottoms provide an important thermal protection layer beneath a racing suit while maintaining comfort and flexibility during long race sessions. The stretch construction allows unrestricted movement while helping improve overall driver comfort.
The full-length design offers complete leg coverage and enhanced protection for professional and enthusiast motorsport applications.
Key Features:
SFI 3.3 certified base layer
Nomex® fire-retardant construction
Full-length bottom design for complete leg protection
Soft, lightweight, and breathable material
Flexible Pro-Fit ergonomic construction
Designed for use under racing suits
Color: Black
Size: 4XL
Specifications:
Brand: Simpson Racing
Product Line: Pro-Fit Base Layers
Product Type: Base Layer Bottom
Color: Black
Size: 4XL
Material: Nomex®
Certification: SFI 3.3 approved
Application: Motorsport, racing, fire-retardant base layer apparel
