Superbike Supply Base Layer by 64° Racing

Superbike Supply Verified independent store

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* Pre-Order Sale Only * Inspired by the branding and logo from Superbike Supply, we're partnering with 64° for the 2026 season and beyond to bring you a next level type of undersui t in standard lightweight. XC-1: The XC-1 features under arm, back of neck and belt line ventilated patches, silicon no slip strip along the waistline, and a ventilated expansion zone in the collar. Constructed with high quality Italian Lycra and double stitched for durability. XC1-LW: Features under arm, back of neck and belt line ventilated patches, silicon no slip strip along the waistline, and a ventilated expansion zone in the collar. Constructed with high quality Italian Lycra and double stitched for durability, but 42% lighter Show more