Alex Mill Ava Fine Gauge Sweater in EmeraldAva Fine Gauge Sweater in Emerald by Alex Mill. A sweater you can keep wearing year after year, spun from extra fine merino wool yarn that's so soft it feels like silk. 100% extra fine merino wool Cami is 5'3 and wearing the Small Alex Mill Alex Mill began as a mens t shirt line in NYC Then, a few years later with the addition of Somsack (former J. Crew and Madewell designer) and Alexs dad, Millard Drexler, Alex Mill the full brand was born. Alex Mill