Doubles as shorts and swim trunks, offering a land-to-water-to-land option for convenient all-day wear. Ladies ‘ style features a new flattering custom fit and sizing. Includes a waistline dropped slightly to fall at your natural waist, plus hip and thigh adjusted for more feminine fit. 100% Supplex Nylon offers lightweight, quick-drying comfort with some special anti-microbial and moisture-management features. Size M equates to a 29″-31.5″ waist.