Simpson Memory Fit Fire Resistant Racing Undershirt - SFI 3.3 NKA Nomex fleece liners used by

Nomex fleece liners used by the competition do not absorb moisture well and are not as durable

Not recommended on the rear axle

A naturally low-wearing pad

TIG welded

the One Versa is also ideal for cars with small cockpits that typically suffer from frustrating harness adjustments

Simpson Memory Fit Fire Resistant Racing Undershirt - SFI 3.3 NKA Nomex fleece liners used bySimpson'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.