The Forward Wip Kompact Vest has been designed to be worn with a kite or wingfoil harness but also suitable for sailing and other watersports. Features: High density thermoformed foam - To improve comfort when falling. Super Stretch Neoprene - For great flexibility and comfort. Harness Zone Design - No foam panels to let the harness go around the waist with comfort. Super Compact and Anti-Slip - Designed to keep the vest down and prevent it from slipping up. Competition Ready – IQfoil, Wingfoil, and Kite foil class rules Certified Safety – 50N buoyancy, EN ISO 12402-5, impact tested Sizes Cm Inches Women Measuring Guide Small 88-95 34-37 10 Measure around the fullest part of your chest using a tape measure. Medium 95-101 37-39 12 Large 101-110 39-43 14 Extra Large 110-120 43-47 16 XX Large 120-130 47-51 18