Base layer t shirts should not be overlooked based on the original helly hansen base layer this helly hansen dry stripe print tee baselayer keeps you dry during aerobic activities and is ideal for climbing skiing sailing and sports training as an extra layer in cold conditions or as a stand alone uv protection and moisture management garment no other base layer top comes close in versatility the hh dry construction with 100 lifa is a quick dry extremely breathable and super lightweigh