Tall boots or short boots for regular lessons
Compare the complete arrangement around your lower leg, including any half chaps worn with short boots.
Start with the lessons you take
Tall riding boots cover the foot and lower leg in one item. Short riding boots are commonly paired with half chaps or gaiters where appropriate, providing a different way to cover the leg. Ask the riding school what it recommends and permits. A first purchase should suit your regular lessons rather than an imagined competition outfit that may not yet be needed.
Both options still need a suitable riding sole and heel, correct fit and compatibility with the stirrup. The height of the upper does not settle those questions. A tall fashion boot is not a riding boot simply because it reaches the knee, and a short yard boot may have an unsuitable tread even if it looks robust.
Compare fit at several points
For tall boots, foot size, calf width and leg height all matter. Try them with your normal riding socks and trousers and follow the manufacturer's fitting guidance. Different models account for settling differently, so do not accept painful pressure behind the knee based on a rule borrowed from another brand.
For short boots and half chaps, check the overlap around the ankle and the way the chap sits over the boot. A thick boot collar can change the fit, while a zip or seam may create a pressure point. Try the components together. Buying each separately from its own size chart can still produce an awkward combination.
Think about care between lessons
Short boots and chaps can be separated for cleaning and drying, which may suit a muddy routine. Tall boots have fewer separate items to organise but need suitable support and storage. Neither arrangement is automatically easier for every rider. Consider how you will change after yard work and where wet equipment will dry without direct heat.
Before buying for an assessment or competition, read the relevant dress rules. Half chaps, leather gaiters and tall boots may be treated differently depending on the activity. For ordinary lessons, comfort and suitability deserve more attention than formality. Walk, bend your knees and sit in a riding position during the fitting, then ask the instructor to check the new footwear with the stirrups before its first mounted use.