The 4X6 stirrup leather is universal: it can be used with all stirrup models, regardless of the brand. In 40mm width, the 4X6 stirrup leather is optimized for the extra wide eye of the SOFT’UP CLASSIC/CLASSIC+, AIR’S or AIR PURE stirrups, thus allowing unrivaled stability. In 28mm width, the 4X6 stirrup leather is compatible with other stirrup models in the FREEJUMP range, or with stirrups from other brands whose eyes’ width is standard.