Icebreaker Merino Sprite 3/4 Lightweight Merino Wool Blend Leggings, New Zealand Merino Wool 83% Merino Wool/12% Nylon/5% Elastane Imported No side seam for comfort and layering Inner leg panel designed to prevent chafing Gusset for comfort and mobility Flatlock stitching prevents chafing Core spun fabric for added durability