Nike Men's Dri-Fit Base Layer Warm Tights
Elastic waistband for a snug fit
Dri-fit tech to help keep you dry and comfortable
Compression fit, soft brushed interior for warmth and comfort
Approximate inseam 27" from size Large
Fabric: 88% Polyester, 12% Spandex
I use for 40-50 degree runs, great.