Type L：It is suitable for the person who is higher over 1.75m;
Type S：It is suitable for the person who is lower than 1.75m;;
The water-permeability amount is less than 200g after the wearer has floated on water for one hour.
After the wearer soaks in stationary water of 0-2℃ for 6 hours, the of the body-temperature is less than 2℃.
The wearer can turn over within 5S,so that his face is toward upthe nosemouth portion is 120mm above the water level ,after the wearer soaks in water for 24hours,the floating force loss of the suit is less than 5%.