Spiewak Systems Technology
Introducing Spiewak Systems Technology. Simplifying your wardrobe. The system features all the essential components for any type of weather. Stop wasting money on single-purpose, non-performing outerwear. Each of the shells on the top row can accept any of the three jackets on the bottom row as liners. This allows you to add a jacket to your shell for more extreme weather and remove the shell for days where protection from the cold or rain isn't needed.