I know it's not summer yet... but there's been a heatwave recently, so close enough? Maybe that's part of the mystery? Whatever, it's time for the Mystery 3-Pack Sale! How long will it last? No one knows! (That's part of the mystery.) Which pairs will I get? It's randomized so we don't know! (Again, that's part of the mystery.) How do I buy it? Great question! Click here, then pick your style & size from the menu, click "Add to Cart" and then "Checkout". It's that easy! Now go get some Mystery Underwear before summer officially starts (whenever that is)!