Simpson Memory Fit Fire Resistant Racing Underpants - SFI 3.3 Color:Black In lieu of slider mechanism

In lieu of slider mechanism

A one-piece seat with anti-sub strap pass-through and Brey Krause R-907x Side-Mount Brackets are required to use this product

non-power Porsche 996/997/Boxster/Cayman sliders

Note: Not compatible with the R-9520 Quick Release Mount

Coolquilt not only means breathable comfort

Simpson Memory Fit Fire Resistant Racing Underpants - SFI 3.3 Color:Black In lieu of slider mechanismSimpson'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.