baransudosekandosute-zi has ND STAGE AND THE INTERIOR during 圧室 (baransutyanba-) of the water depth, No matter the conditions, always consistent intake air resistance to any workout.
ヴxentyuri-sisutemu allows for breathing and can be adjusted. Equipped with a hi-toekusutyenzya- to the second stage, so even in cold-weather and great performance.
The as well as a highly visible yellow hose and underwater yellow cover Specifications. Cold-weather Specification.