High Strength abs material to support your 360 degree safety.
S M L XL to fit you body;
brethable and light material bring better comfort;
you can choose the proper size according to your body weight:
Size S for body weight < 35kg (77 lbs);
Size M for 35kg (77 lbs) < body weight < 60kg (132 lbs);
Size L for 60kg (132 lbs) < body weight < 80kg (176 lbs);
Size XL for 80kg (176 lbs) < body weight < 90kg (198 lbs);















