Perhaps unsurprisingly, the best place to start your search is with unisex brands that have long had the workman’s jacket nailed. Carhartt’s Elmwood Vest, with its virtually indestructible water-repellent fabric and no fewer than eight patch pockets, is a seriously sound investment. Cali casualwear brand PacSun, stocked at Selfridges, champions a shell vest armed with multiple flap and zipped compartments, including a reflective pouch on the back.