DECENT FEATURES of the Smartwool Men's NTS Microweight Bottom Form Fit - Natural Rise Jersey knit UPF 30 Covered elastic waistband and traditional fly design flat-lock seam construction eliminates chafing The SPECS Garment Weight: 5.47 oz / 155 g Fabric Weight: 4.5 oz/yd2 / 150 gm/m2 Inseam: M: 29" / 74 cm Fabric: 100% Merino Wool