This document provides an overview of all aspects of the CryoSat-2 Arctic sea-ice thickness data product (version 2.2) generated at the Alfred Wegener Institute Helmholtz Center for Polar and Marine Research (AWI). It contains information on a) primary and auxiliary data sets used in the processing, b)description of the algorithm used deriving geophysical information along orbit segments and on space-time grids, c)t echnical specifications of the product files, d) data access and e) known Issues of the data record