Home » Beer » Undertow Undertow Sour - Gose Gose - 4.4% A.B.V Enjoy this Gose made with blackberries and organic Atlantic kelp for the perfect combo of sweet and salt. Always drink cold AVAILABILITY - Seasonal // DRAFT// 12OZ CANS Order Curbside Pickup Stock Our Product Vendor Inquiries Key Brewing is currently available all across Maryland, Virginia and Delaware and sold in hundreds of bars, restaurants and stores. If you’re interested in stocking Key products please reach out to us. Get in touch