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The Sparco Nomex Boxer RW4 (Medium) is a Nomex boxer-style undergarment offered by Sparco as a close-fitting base layer. Labeled RW4 and sized Medium, it provides simple, low-profile coverage when a Nomex underlayer is called for by the product name. The overview highlights fit and product identity so shoppers know this is the RW4 boxer in Medium.
Sparco Boxer RW4 MED
