; An added layer of comfort on a chilly day. ; Thermal knit long underwear offers a lightweight feel with breathable properties. ; Elasticized waistband prevents digging-in. ; Long leg pant provides better temperature compensation. ; Perfect for layering, sleep, or lounge. ; Style #73412. ; 70% merino wool, 30% silk. ; Machine wash warm and hang dry. ; Imported. ; If you're not fully satisfied with your purchase, you are welcome to return any unworn and unwashed items with tags intact and original packaging included.