Large Modern Warehouse Filled with Wheat Grain. High Piles of Light Boston Heavy Grain Resources Hoffsuemmer Grains Whole Grains at Boston Public Market The Whole Grains Council. Heavy grain leather construction Dual top handles with buckle details Gold tone hardware Main zip closure Structured bowler silhouette Spacious main compartment Signature Mulberry tree logo The Mulberry Boston Heavy Grain delivers timeless elegance with structured sophistication and everyday functionality. Crafted from premium heavy grain leather in classic black, featuring dual top handles and signature gold tone hardware throughout. The structured silhouette and spacious interior create the perfect balance of luxury craftsmanship and practical design.