Featuring 200gm 100 merino wool fabric the oasis long sleeve crewe provides easy layering high breathability and natural odour resistance offset shoulder seams and flatlock stitching eliminate chafing when youre wearing a pack or moving fast a topo inspired mountain graphic adds an artistic touch to this versatile layer why icebreaker merinothe merino is an ancient breed of alpine sheep over millions of years they evolved a superfine highly breathable fleece to protect them from freezi