Women's Kiln Long JaneLayering Position Next to Skin Features True to size: Purchase your normal size to wear over or under other layers 18. 5 micron, superfine merino wool 95% merino 5% spandex Interlock knit for high loft insulation and moisture management Full length Lay flat waistband with brushed jacquard waistband inside for next to skin softness Articulated fit for maximum comfort and support Flatlock seams for next to skin comfort Machine wash, line dry Materials