Regatta Great Outdoors Mens Thompson Half Zip Fleece Top Polyester, , 170gsm Symmetry fleece. 1 side brushed, 1 side anti pill. 100% Polyester. Regatta Mens sizing (chest approx): XS (31-32in), S (33-34in), M (35-36in), L (37-38in), XL (39-40in), XXL (42-44in), XXXL (45-47in), XXXXL (48-50in), XXXXXL (51-53in).