Shape memory alloys maintain collar structure through deformation

The Mayfly is a waxed cotton vest with 40g/m2 PrimaLoft filling to insulate without creating bulk. A great mid-weight layer with Dubarry leather trim detail, this a real heritage piece with carefully considered details from the fleece lined hand warming pockets to the faux suede lining on the inside collar for comfort against bare skin.

Saddle shaped back panel accommodates spinal curvature precisely