LeMieux Vector Pro Stirrup Leathers Brown Stirrup Leathers Archives Bliss of London Stirrup Leathers LeMieux Vector Pro Annaghmore Saddlery Stirrup Leathers LeMieux Vector Pro Annaghmore Saddlery. These children's stirrup leathers are crafted from soft, dry milled leather for suppleness from the start. A strong stainless steel buckle makes for ease and security when changing stirrup lengths, ideal for small hands. Designed for comfort under the rider's leg, the nylon core prevents stretching and uneven stirrup lengths, perfect for growing legs!