Deorart bloomer style pants! Purchased from closetchild last year, but found they were too tight on the calves for me. I have never worn them besides trying them on. They're kind of wrinkled and linty, but otherwise in good condition. There are some loose threads where the button holes are. 

Approximate FLAT measurements:
Waist: 13 1/4 inches / 34cm (max stretch 17.5inches / 44.5cm)
Length: 27 1/2 inches / 70cm
Cuff width: 6 3/4 inches / 17cm