Jack jones slit sweat zip top mens this jack jones slit sweat zip top offers a full zip fastening with a ribbed mock neck collar long sleeves with ribbed cuffs and a ribbed hem all for a comfortable fit a fleece like lining adds to the warmth of the jacket and it is finished with two zipped front pockets and subtle jack jones tech branding to the chest mens zip top long sleeves mock neck ribbed collar ribbed cuffs ribbed hem 2 pockets jack jones branding