Simpson Memory Fit Fire Resistant Racing Undershirt - SFI 3.3 Size:Small Sparco Seat Bases utilize the

Sparco Seat Bases utilize the factory seat mounts on your vehicle's floor and provide a flat surface for mounting your Sparco seat

but easily disconnected in the case of an emergency with just the slightest pressure from any angle

the polymer sole is gas & oil resistant

and allows for extended drain intervals

while the overall seat dimensions still fit Medium-to-Large drivers up to a 35" waist

Simpson Memory Fit Fire Resistant Racing Undershirt - SFI 3.3 Size:Small Sparco Seat Bases utilize theSimpson'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.