The Thermafleece Long Sleeve top provides a comfortable warm base layer, mid layer or thermal outer when worn on its own. Performance is delivered through a combination of Hi-Tec thermal fabrics and super stretch lycras. Worn under wetsuits will dramaticaly increase warmth or as a base layer under dry suits. Features Base / Mid Layer core thermal protection Insulating polypropelene lining Body mapping contour control seam system  Flatlock comfort stitch