Women vest size chart:order a size up would be recommend S: bust 74-80cm, length 55cm, suitable for height 155-160cm, suitable for weight 40-45kg M: bust 78-84cm, length 57cm, suitable for height 166-165cm, suitable for weight 45-52.5kg L: bust 82-88cm, length 59cm, suitable for height 165-170cm, suitable for weight 52.5-60kg XL: bust 86-92cm, length 61cm, suitable for height 170-175cm, suitable for weight 60-67.5kg XXL: bust 90-98cm, length 63cm, suitable for height 175-180cm, suitable for weight 67.5-75kg Made of 3mm thick highly stretch neoprene; Comfortable Flatstitch Construction gives you a soft and comfortable fit Excellent stretch and recovery fabrics, form-fitting design reduces drag in water provides you a free movement without restriction Premium lightweight neoprene with more air cells prevents water from coming in and out; increase warmth and decrease weight Specifically designed for water fitness and aqua aerobics, great for any watersports provides UV protection and defense against sea lice, jellies and other biological irritants