Calvin Fabrics For more than sixty years Calvin Fabrics has cultivated its distinctive line of fine Belgian linens, casements, textures and chenilles. Long a trusted source for neutrals, solids and subtly variegated textures, Calvin’s use of color and pattern are mindful and deliberate, offering a variety of selections to suit any aesthetic. Sourced only from the finest mills in Europe, the US and select boutique mills in exotic locales, all fabrics ship free third day to any US destination.