Biathle & Triathle
For competitions, athletes should wear a one or two-piece suit. In all cases, the upper body part must be covered.
Shoes must be worn when running.
Clear numbers have to be shown on the shoulder or upper arm. It should be made visible using waterproof markers.
Competitive apparel may be either one piece or two piece. It should be made of a material to allow for a “form fitting” appearance. No unreasonably loose clothing shall be allowed.