Foster 503. Balanced proportions are a top performance of design. Foster 503 sets new standards for classic sofas. Precision and simplicity characterise this version of top-quality furnishing including armchairs and sofas in different sizes. Matching tables in different sizes and heights with table tops in glass and veneer can be found within the Foster 500 and 505 range. Besides 503 the Foster range offers furthermore the broad sofa 505 as well as the smaller armchair and sofa versions of Foster 500 and 501.