Flex Ride Stirrups. Are designed specificaly for endurance riding, combining latest technology with sports medicine expertise. Tried and tested over the past 15 years by endurance riders around the world. The shape and materials used in construction are designed to give a reduction in joint fatigue and relieve the burning pain experienced by many in the feet Very light weighing only half a kilo a pair - probably the lightest Endurance Stirrups available today The 3 1/2" tread spreads pressure to relieve aching feet, after hours in the saddle. Available with or without cages