Delta Sigma Theta Sorority Paraphernalia Women's Fedora Hat. White Felt Fedora Cowgirl Style Women's Hat Featuring Full Outer Acrylic White Pearl Stud Design with DST Greek Letter Red Pearl Detailing. 100% Polyester White Wool Felt Interior. One Size. Adjustable Ribbon Interior. 24" Interior Circumference. 2.75" Brim. 5" Tall. *Variations in Letter Placement.