Zero Run Short 3in - Black Size:X-Large The newly introduced Endorphin Trainer

The newly introduced Endorphin Trainer is the latest entry into the super trainer market

the Novablast 5 got a whole lot more bouncy

the SC Elite v4 looks to improve in all areas

the Streakfly is built for all-out speed

breathable and precision-cut for a streamlined fit

Zero Run Short 3in - Black Size:X-Large The newly introduced Endorphin TrainerErniold is proud to present their first ever running shortsthey've been in the works for four years, developing and perfecting them for their debut. Tried and tested, the Run Short Zero is built for race days and long runs. They're cut for a 3" length and are crafted from an ultra lightweight perforated nylon, with four way stretch and enhanced breathability. Their storage capacity can comfortably hold 4 6 gels so don't worry about running out of gas.