David Quinn founded footwear company Acorn in 1976. Acorn offers a wide variety of slippers and socks for men, women, and children. NASA astronauts even have worn Acorn Slipper Socks in space. Other popular Acorn products include the Moccasin Slip-ons and Bootie slippers. Som ... Read More e of Acorn's slippers are made of fleece to help keep feet warm. All feature memory foam midsoles for comfort and no-slip treads for safety. Acorn also has prenatal and postnatal DVDs for Mom.