Dakine Matrix Surface Vest Product DescriptIon DaKine's neoprene Surface Vest provides maximum impact protectIon. It is compatible with both waist and seat harnesses and features a super-stretch design for freedom of movement, zippered front for easy on/off, 1-1/4" closed-cell foam and dual sport design. Features 1 1/4" [ 3cm ] Closed cell foam Waist and seat harness compatible Super stretch design for freedom of movement Zippered front for easy on/off Dual sport design Sizes XS= Waist 28-30" [ 71-76cm ] Chest 33-35" [ 84-89cm ] S= Waist 30-32" [ 76-81cm ] Chest 35-37" [ 89-94cm ] M= Waist 32-34" [ 81-86cm ] Chest 37-39" [ 94-99cm ] L= Waist 34-36" [ 86-91cm ] Chest 39-41" [ 99-104cm ] XL= Waist 36-38" [ 91-96cm ] Chest 41-43" [ 104-109cm ] XXL= Waist 40-42" [ 96-101cm ] Chest 43-45" [ 109-114cm ]