From Merchant & Mills:
A hardworking gilet. Make yours lined or unlined, with facings on the inside or outside.
Suggested Fabrics: Dry oilskin, oilskin, linen, 7-12 oz denim, wool, corduroy, cotton twills or canvas. For the lining we’d suggest our barrier lining if using an oilskin, otherwise – cotton voile, lightweight linen, cotton poplin, lightweight wool and slip linings.
Sizes: Mens' UK 34, 36, 38, 40, 42, 44-46, 48-50, 52-54