The castelli womens flandria warm long sleeve baselayer is all about comfort and warmth comfort from the female specific cycling cut comfort from the flat lock stitching that sits flush to the skin comfort from the flat hem and the mesh inserts shaped for hips and bust comfort from the high wick fabric and comfort from the ultra soft brushed fleecy surface add some luxury to your winter riding and slip a flandria warm ls on under your favourite castelli jersey or jacket