Sergio Grasso Flexy Half ChapDesigned in a sturdy but soft leather with side zip to work perfectly with the Walk n' Ride short paddock boot (sold separately). Easy to put on, comes with a removable elastic strap which is optional as the half chap stays in place very well on its own. Sizing is Calf Height Calf Width.?? Measure calf height from floor to back of knee Measure calf circumference with breech & socks on. Available in Black Black Orange Black Blue Brown (not shown,