The PS Perfect Riding Shoulders Back is designed to improve your riding by improving your posture. It forces you to keep your shoulders back.
You can use it anytime and all day long. Multiple adjustment options allow a custom fit.
Size Chart
Size XS S-M M-L XL XXL
Europe 32-34 36-38 40-42 44-46 48-50
UK 6-8 10-12 14-16 18-20 22-24
US 4 6-8 10-12 14-16 18-20