Simpson Memory Fit Fire Resistant Racing Undershirt - SFI 3.3 Color:Black with a ergonomically styled silicon

with a ergonomically styled silicon printed surface treatment for maximum steering wheel grip

the KX Top greatly improves the driver experience

Tension buckle style does not use velcro

sizing up one size is recommended

Simpson Memory Fit Fire Resistant Racing Undershirt - SFI 3.3 Color:Black with a ergonomically styled siliconSimpson's Memory Fit line of fire resistant racing underwear features a unique fabric that becomes softer with age, guaranteeing a fit that is made just for you! The lightweight, anti microbial treated fabric bends, moves, and stretches with you, reducing bunching and driver discomfort. Athletic cut, and contrasting stitching gives a stylish, modern look.