The Maida Vale Bra was drafted for use with the Contour Atelier High-Side Demi Underwires. The wire chart is included with the Pattern files and can also be download here
Additionally, you can use wires from the following suppliers: *
Orange wires (Emerald Erin - Canada)
Demi Bra Underwire (Madalynne Intimates - USA)
Regular Classic Underwire (Tailor Made Shop - USA)
Everyday Underwires (Small Bobbins - Europe)
Orange Wires (Nellie Joans - New Zealand)
*before ordering wires, make sure to compare the wire charts against the one supplied with this pattern. You may need to go up or down a size, for example the Emerald Erin size 38 wire matches the Contour Atelier size 36 wire.