LeMieux Young Rider Breeches Indigo. Get riding with the LeMieux Young Rider Breeches. Designed with durability in mind, the Young Rider Breeches offer a seamless, 4 way stretch garment to ensure utmost comfort and fit all day long. With a tapered lower leg design to reduce bunching of fabric in their riding boots, the Young Rider Breeches are complete with a full silicone seat for added security whilst in the saddle, elasticated waist for a flexible fit and a embroidered detailing on the pockets for a hint of style.