Grey lightweight track with Elastic Waistband and Tapered Legs size S/M

Comfy cozy and super lightweight, so good for summer! Has a tapered leg design and an adjustable elastic waistband - says size S I would say more a Medium for sure. They would be a perfect length on maybe someone 5”7/8? I’m 5”10 and they were a bit short, but I tucked them into my socks ( 😎).