MEN SIZE CHART:order a size up would be recommend S: suitable for height 163-167cm, suitable for weight 50-57kg, bust 82-88cm, waist 73-80cm M: suitable for height 165-170cm, suitable for weight 56-65kg, bust 88-94cm, waist 79-84cm L:suitable for height 170-175cm, suitable for weight 64-72kg, bust 92-100cm, waist 84-90cm XL:suitable for height 175-180cm, suitable for weight 71-80kg, bust 96-104cm, waist 88-94cm 2XL:suitable for height 180-185cm, suitable for weight 79-88kg, bust 100-108cm, waist 94-98cm 3XL:suitable for height 185-190cm, suitable for weight 87-96kg, bust 106-114cm, waist 98-104cm 80%Neoprene+20%Nylon New Design:2MM men's wetsuit top,made of high-elastic high-quality neoprene,including back,chest and sleeves,unique and beautiful;suitable for:diving,paddle,kite surfing, water skiing, kayaking,stroke Canoes and other water sports. Excellent Production Process:It adopts the classic round neck design to protect the neck from pulling,bonding + blind stitching technology,close to the body,greatly improving comfort and heat dissipation. The ocean is an undeveloped and endless virgin land,We hope to help you who like surfing,explore the mystery of surfing,and enjoy the fun of surfing.