Hi tec tunuyan wind block fleece the tunuyan jacket is designed to keep you toasty warm when the temperature gauge drops the high pile 400gm fleece and higher collar to keep your chin and neck protected from the elements 100 polyester fabric 400gms bonded fleece full zip hand pocket zips articulation in sleeves for comfort chest pocket mens chest size conversion small 38 medium 40 large 42 x large 44 xx large 46