I. Spiewak & Sons, Inc. is a New York-based apparel company founded in 1904. Spiewak evolved into a major manufacturer of military jackets during WWI and WWII. The company, which has been family owned for five generations, is a leading manufacturer of uniform outerwear. For the past 100+ years, Spiewak has also offered a fashion line of jackets, constructed with "workwear" values that we carry in men's sizes Large Tall - 4XL Tall.