- Core ‘304’ Stamp Logo - Regular Fit - Ribbed Neckband and Cuffs - 80% Cotton and 20% Polyester - 320gsm - Brandon is 5ft 10 and wearing a Large The Core Stamp Dusty Blue Sweatshirt is a MUST HAVE this season. It offers supreme comfort with a premium fleece back interior and ribbed cuffs and neckband. Our timeless Core Stamp logo allows for an easy to wear garment all year round.Style with our Grey Core Joggers for comfy fit this autumn/winter.   Our new one hundred collection is a carefully crafted development on our core range which has taken 12 months to perfect and refine. It is important to us that your 304 garments are timeless in style and in longevity which is why we have upgraded everything within the collection from the quality of the fabric, to the fit of the garment, to the Pantone colours we’ve used.