Made from our super soft breathable 200gm merino jersey fabric the oasis short sleeve crewe keeps you warm in cool weather breathes well in warm conditions and only becomes softer with age and the details of this shirt make it incredibly comfortable when you move so it is an ideal baselayer under a top or shell and great for wearing alone on a cool morning run or a hike in the mountains flatlock seams wont chaffe a drop hem for more coverage and set in sleeves keep it comfortable unde