Different thicknesses in different parts for unrestricted movement
Main part of the body is 5mm for wonderful warmth
Superior ultra stretchy neoprene
Smooth skin reduces wind-chill and repeals water increasing overall warmth
High-stretch material on armpits with extreme flexibility
Back 10# YKK zipper
Large area of OK cloth and Velcro closure on back collar,fastened durable
Ergonomic design with perfect sport performance