Rid'Up has developed an innovative stirrup to provide the rider with the maximum level of safety without sacrificing performance. A patented automatic release system at the buckle allows the stirrup to disengage from the stirrup leather during certain falls, while remaining intact, to reduce the risk of being dragged. Features: Innovative release system Enhanced balance due to rotation of the buckle Wide foot tread provides stable support, relieving pressure under the foot providing greater stability and fixity TPE sole under the rigid tread for a optimal shock absorption Steel studs provide optimum grip while allowing freedom of foot movement 440 grams per stirrup No minimum or maximum weight for the rider. Note: The Fun Black is a junior version of the Safety Stirrups, designed for smaller feet (Up to size 39).