Nylon tights leaving you cold all winter long? Try these! Smartwool® Tights give you all the incredible warmth and softness of merino wool – the same luxurious comfort that's made Smartwool® Socks a can't-miss hit with feet for over a decade! Nicely knit for excellent support and shape-holding these are tights you can count on wash after wash, winter after winter. Supportive arch brace for no-bunch walking comfort. Comfortable stitched-in elastic waist.