Knee warmer in thick merino wool. Elastic. Comes in 3 sizes: S, M and L. Only 1 piece is included in the package (not a pair).
Circumfence: (could be wider, the material is elastic)
Size S: above the knee; 32 cm, below the knee; 28 cm.
Size M: above the knee; 34 cm, below the knee; 30 cm
Size L : above the knee: 36 cm, below the knee; 32 cm