Simpson Pro-Fit Base Layer Bottom - White 93501 A new take on our

A new take on our ever-popular Sprint shoe

Using proprietary techniques and aerospace grade carbon fiber

This pants bottom is a long john design with cuffs at the ankles and exceeds the SFI 3

the socks offer excellent heat transfer protection and flat seams for comfort

is available in premium contrasting Fluorescent & standard colors and complies with SFI standards

Simpson Pro-Fit Base Layer Bottom - White 93501 A new take on ourSFI 3. 3. The NEW Simpson Pro Fit Base Layers are our most comfortable and best fitting base layers. Constructed in Italy using the latest techniques, the Pro Fit provides superior softness and stretchability. The trusted Nomex material gives you an added layer of protection while maintaining breathability and comfort. Product Description: Underwear Bottom Fire Retardant Pro Fit SFI 3. 3 Nomex White Medium Large Sold Individually Stay safe on the