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Fire up your engines with the PUMP! Red Access Trunk. Crafted with a red micro-mesh and white rib blend, this hybrid underwear offers full support and comfort. The PUMP! Red Access Trunk fits like a typical boxer, though the backless rear brings forth the playfulness, freedom, and added sex appeal of the Jockstrap. This truly is a new style underwear that is guaranteed to heat things up, for whatever the occasion.