The Simpson Pro-Fit Long Sleeve Base Layer Top is engineered for performance and comfort in high-temperature racing environments. Developed with advanced Italian manufacturing techniques, this layer balances flame resistance and breathability using soft, stretchable Nomex® material. Its close-fitting cut supports moisture control and seamless integration under racing suits, while the long sleeve design provides extended coverage without sacrificing mobility.

Simpson Racing 20193MLK Features:

• Precision-Fit Construction for Minimal Bulk Under Driving Suits
• Moisture-Wicking Properties for Improved Comfort During Long Sessions
• Italian-Made Using Advanced Seam Techniques
• Designed to Work in Tandem with Simpson Multi-Layer Suits