Icebreaker Size Chart The 250 Vertex Leggings are midweight merino wool base layer bottoms for warm, breathable performance in cold conditions. Their 100% merino fabric dries quickly, wicks away moisture, and helps maintain a constant temperature. Flatlock seams and an inseam gusset provide superior comfort. Features: - Icebreaker branded brushed elastic waistband - Flatlock seams prevent chafing - Gusset for comfort and mobility - Inseam: 74.6cm / 29 1/4", Size M - Medium = 200 g / 7.05 oz - 100% Merino Wool - Model images are shown in an alternate color