You don't have to use a belt to keep the breeches in place but if you want to have it cause it looks nice

Choose between full seat or knee grip

The high waist provides support and ensures that the breeches stay in place while you ride

but if you want to have it cause it looks nice

Lyon Winter Riding Jacket Black for children

ascot blue top Size:XL You don't have to useAscot top in color blue. With a slim fit shape, in comfortable material that breathes. Four way stretch that provides high comfort and a good fit. The top is normal in size for a slim fit. If you like it loose we recommend you choose one size bigger. SIZE GUIDE LAUNDRY GUIDE