Buyer beware. Got the wrong shirts. Paid for the tri-blend (more expensive and softer) and got 100% cotton t-shirts fit the black ones instead. Rip off! Not nearly as soft and wearable. And, figures that I bought three sets. 
Hi there, if you haven’t already done so please reach out to Woot! Customer Service.
From a browser, use the Woot! Customer Service form.
In the Woot! App, choose Account from the bottom navigation and then Support.
Note: Woot! Customer Service replies go to the email address on your Woot! account, not your Amazon login email if used/different.
(Please Note: I’m not employed by Woot, but I volunteer to help in the forums.)