Made by Hot Tuna, going by the logo, the Aero zip and the inner tag these are from the 1970s, very early on in the brand. Feel like 100% cotton, fairly lightweight fabric. Tagged size 13, best fit modern size 8. Pinned to fit size 6 mannequin. Waist 69cm (27 inches) / Hips 94cm / Front rise 31cm Full length waist to hem 108cm / Inner leg length 79cm Great vintage condition