The Harper 3 Mid RM GS, a creation of Under Armour, emerged in the Fall of 2018. It represents the third iteration of a signature cleat designed for the baseball superstar Bryce Harper. This model, in its 'GS' (Grade School) configuration, is tailored for youth players, embodying the brand's commitment to performance across all levels of the game. The unveiling of this cleat, specifically the special edition, coincided with Memorial Day in May 2018.
Designed explicitly for baseball, the Harper 3 Mid RM GS is equipped with rubber molded cleats for superior traction on the field. A forefoot strap is integrated into the design, providing enhanced stability and lockdown, which is essential for quick movements and powerful swings. The cleat's features, including the ribbed stitching and chrome bezel design, not only contribute to its aesthetic appeal but also serve functional purposes, reflecting the influence of performance-driven design.
Bryce Harper, the namesake and inspiration, has consistently showcased the Harper 3 Mid RM GS on the grandest stages. During the Memorial Day Game in May 2018, Harper was seen sporting the cleat, marking a significant moment in the shoe's early history. Further cementing its status, Harper wore the cleats during the Mother's Day Game in May 2019. In 2019, at Citizens Bank Park in Philadelphia, Harper's debut with the Phillies added another layer of prestige to the Harper 3. Finally, in March 2025, Harper's Home Opener, wearing custom Phanatic cleats, provided a lasting impact.
This cleat features a mid-height profile, constructed with a synthetic leather upper for durability and support. The design incorporates a padded ankle collar and Achilles heel, ensuring comfort and stability during rigorous play. Furthermore, the inclusion of a mesh tongue enhances breathability. The Harper 3 Mid RM GS is built with full-length, compression-molded EVA cushioning to provide optimal impact absorption and responsiveness, crucial for the demands of baseball.
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