SmartWool Women's PhD Seamless Boy Short 71% Merino Wool, 23% Nylon, 6% Elastane Knit in Turkey Slim Fit; Mid Rise Wide covered elastic waistband for feminine, flattering fit. Varied knit textures for ventilation and body-enhancing fit Knit-in graphic Style: SW015001 Size M/Inseam: 2.5" (6.4 cm)