This zipperless Mercury Stretch Vest delivers streamlined performance with minimal distraction. Designed for waist harness use, it features a half-padded layout that enhances flexibility and comfort while providing space where needed. The Gripwave tech panel on the lower back prevents harness movement, maintaining a locked-in fit during rides. Constructed from high-stretch Airflex neoprene, it ensures smooth compression, durability, and maximum freedom of motion for serious riders.