Amazon.com: Misscom Graduation Doctoral Tam Velvet 8 Sided 。The red arrow points to a section of the interior hook and loop fastener which is 25\" fully extented. Doctoral tam features a classic eight-sided design crafted from plush black velvet with a contrasting satin-finish band. A metallic gold bullion tassel is securely attached to the top, draped elegantly to the side. The interior is fully lined and includes an adjustable closure system to ensure a comfortable and secure fit for various head sizes. Academic, Graduation, Doctorate, PhD, Regalia, Ceremonial, Collegiate, Faculty, Scholar, Formal, Velvet, Tassel, University, Commencement, Education We want you to be happy with your purchase, please ask any questions prior to purchase, thank you for viewing. Please check out our other great items and deals in our store, we list daily. SAVE us as one of your favorite sellers. All photos are of the actual product. We appreciated your business. Happy shopping! and come again Soon!!