STIRRUPS Compositi Reflex Stirrups - Black or BrownThese stirrups are made from one of the toughest high tech polymers produced by DuPont. The tread is positioned on a shock absorption layer to reduce tension in knees and ankles while riding. The large sole provides increased contact and comfort, and has an anti skid surface for better grip. Black or Brown Pair 11 1 2cm (4 1 2") Staff Pick. I just love these stirrups having used them myself. Very secure foot feel. Slight 5 degree cushioned angle.