Built from soft luxurious 200gm merino jersey fabric oasis keeps you warm in cool weather and breathes well as you heat up and you can open the half zip for instant cooling on the fly to ensure comfort on the move the oasis long sleeve half zip has offset shoulder seams set in sleeves and flatlock stitching throughout plus a slightly longer bottom hem in back why icebreaker merino the merino is an ancient breed of alpine sheep over millions of years they evolved a superfine highly bre