Custom properties
Size: 21 size inner length about 13.5, 22 size inner length about 14, 23 size inner length about 14.5, 24 size inner length about 15, 25 size inner length about 15.5, 26 size inner length about 16.2, 27 size inner length about 16.7, 28 size inner length about 17.3, 29 size inner length about 17.8, 30 size inner length about 18.5, 31 size inner length about 18.8, 32 size inner length about 19.4, 33 size inner length about 20, 34 size inner length about 20.7, 35 size inner length about 21.3, 36 size inner length about 21.8, 21-25 order 5 pairs, 26-30 order 5 pairs, 31-36 order 6 pairs, 21-25 full box order 50 pairs, 26-30 full box order 50 pairs, 31-36 full box order 60 pairs