Hand bandage with a very good fit and cushioning made from a combination of synthetic leather and stretch material.
With handle bar, which can optionally also be used to hold the fingers in place.
Size recommendation according to body size:

XXS = up to 100 cm
XS = 100 - 120 cm
S = 120 - 150 cm
M = 150 - 170 cm
L = 170 - 180 cm
XL = 180 - 200 cm
  
With WTF approval, i.e. can be used at all official competitions of the WTF (World Taekwondo Federation)