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

A naturally low-wearing pad

The Arai Peak Visor kit attaches to any Arai GP-5

The AIM CHT (Cylinder Head Temperature) Sensor is designed for measuring engine temperatures on most racing karts

TIG welded

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.