Name Flexi Stirrup Irons Price £35.00 Extended Description Lorina Flexi Stirrup Irons - Safety Stirrups with flexible joints. Ensure that the stirrups are the correct size for the riders feet. If they are too small and there is a chance of the foot getting stuck in the stirrup in the event of a fall, too big, the foot can slip through. The correct stirrup iron size should have 12mm clearance on each side of the foot.