Sparco RW-4 Fire Resistant Racing Boxers Size:XX-Large but with an open upper

but with an open upper rim for custom instrumentation

while still maintaining significant modulation and release characteristics

A perfect match for the G-Force 2" Junior Harnesses

and release

Sparco RW-4 Fire Resistant Racing Boxers Size:XX-Large but with an open upperSparco's entry level RW 4 line of underwear is optimized for both comfort and protection while maintaining a budget price. Although not FIA or SFI approved due to their short length, fire resistant boxer shorts are great for adding protection on hotter days when rated protection is not needed. Using Sparco's classic soft touch fire resistant fabric, the regular fitting shorts are comfortable for all body types and offers excellent breathability.