Copyright our logo?

[CDRMB]

I found this website selling hoodies etc using our logo.  Is our logo copyrighted?

[CDRMB]

I guess it would help if I added the website:

https://www.spreadshirt.com/shop/design/us+navy+hal-3+seawolves+womens+hoodie-D5d89fefff937647d8118c454?sellable=N0QwxyrAAvFVJpQdNam9-405-23&appearance=4&affiliateID=7555&gclid=EAIaIQobChMI0azD-bLj9AIVC2KGCh3k8AA3EAQYAyABEgIpYfD_BwE

MB