1x1 rib. Envelope neck. Side-seamed. Pre-washed for softness and minimal shrinkage.Washing Instructions Machine wash warm, inside out with like colours. Only non-chlorine bleach. Tumble dry low, medium/hot iron. Do not iron decoration - 1x1 rib. Envelope neck. Side-seamed. Pre-washed for softness and minimal shrinkage.Washing Instructions Machine wash warm, inside out with like colours. Only non-chlorine bleach. Tumble dry low, medium/hot iron. Do not iron decoration