The MDC S Classic is designed for riders who appreciate the classic lines and benefits of a traditional stirrup. The MDC S Classic features our patented 45 S positioning Technology. Combined with our ultra-low profile, high traction aluminum tread, the MDC S Classic delivers improved stirrup and leg position, greater base of support, relieves pressure on ankles, knees, hips and back, is easily retrievable and safer in the event of a fall. The MDC S Classic is the stirrup for the next generation of performance riders and trainers. Patented MDC S Classic Stirrups with 45 S Stirrup Positioning Technology Invisible design produces performance advantages for riders of all riding disciplines Traditional styling Ultra-low profile, high traction wide aluminum tread with 45 easy retrieval trailing edge Optional traditional width aluminum tread available Available in 3 wide tread sizes (4.5, 4.75 & 5 inches) and 2 traditional width sizes (4 & 4.25 inches) Ideal for Jumping, Dressage, Eventing, Polo, Endurance and Trail Riding The 4'' and 4.25'' 'S' Classic is the same stirrup as the 'S' Pony Classic stirrup.