Reintroducing the iconic 'Not Your Father's' brand, reimagined and better than ever. NOT YOUR FATHERS ALPINE SPLASH 100MG + CAFFEINE. Available as a single, 'Not Your Father's' is best enjoyed cold, over ice, or for a delightful twist, as a classic root beer float with an infused kick. Thanks to our cutting-edge emulsion nanotechnology, 'Not Your Father's' root beer ensures rapid onset, allowing you to savor those delectable moments even faster.