DEF CON 31 Chillout Lounge Shirt - Limited Edition Hacker Conference Tee - Comfortable Cotton Unisex T-Shirt for Tech Enthusiasts & Cybersecurity Events

Only Women's styles M-XL and Unisex Small left as of 4/2025

Celebrating 31 years of DEF CON and 11 years of SomaFM providing music and a live broadcast from the Chillout Lounge, this is a black shirt with Red and "Shiny Black" silkscreened ink. These are the shirts we were selling in the Chillout Lounge during the event, and when these are gone, there will be no more.

The women’s styles are Bella+Canvas 8413 Ladies Perfect Tri Tee, a slim-fit soft triblend fabrication, modern feminine fit, scoop neck and short sleeves. 50% polyester, 25% cotton, 25% rayon. They run small (or fit tightly depending on your point of view), and based on feedback we got at DEF CON, we recommend ordering a size larger than normal unless you like a tighter, stretchy shirt.

The Mens/Unisex shirts are a  , a very soft, smooth. light 100% cotton T-shirt. The cut is "Contemporary styling for a slimmer fit."