Online for Equine offer the Cottage Craft PSOB Stirrup Irons.
These Stirrup Irons are a traditional favourite amongst horse riders, ideal for everyday use but also smart enough for competitions.
To measure the size of stirrup you need measure the width of your foot whilst wearing your regular riding boots and add on 1.25cm of space to either side. This will give you the width of stirrup iron which you require.
The Cottage Craft Stirrup Irons are made from Stainless Steel.
Available in sizes 4'' - 5'' in quarter inch incriments.