We have 6 choice : with normal protect gears ,with better protect gears and 3 colors and if you do not know how to choose size pls check the size chat which is for pant and compare to your pant size

S size :  1.68m–1.74m

59KG–66KG

M size:  1.70M–1.78M

68KG–80KG

L size:   1.76M–1.83M

80KG–90KG

XL size:  1.80M–1.85M

85KG–95KG

XXL size:  1.82M–1.90M

100KG-108KG

XXXL size: 1.83M–1.90M

110KG

(Then refer to waist circumference to choose a size)