Taken from Knitting Brioche: "Laars Manchetten is Dutch for "boot cuffs." These boot cuffs are reversible and create two different designs, thanks to the two-sided effect of the Smocking Brioche Pattern."
This pattern is from Knitting Brioche, pg 210 - Laars Manchetten
Size US 5 - 16" circs (or sizes needed to obtain gauge) are required but not included.
Finished Measurements: 9.5" circum. at ribbing (unstretched), 17.5" circum. at Smocking Brioche Pattern, 9.25" tall