American Vintage East Mock Neck Sweater in Navy. - size L (also in M, S) American Vintage East Mock Neck Sweater in Navy. - size L (also in M, S) 35% acrylic 31% alpaca 22% polyamide 11% wool 1% elastane. Made in Bulgaria. Hand wash. Mockneck styling. Soft knit fabric. AMER-WK157. EAST18QH23. Nothing is more American than a perfect fitting cotton tee. Get back to basics this summer with American Vintage casual clothing. Shop the latest in fashion from American Vintage