Product Description Mens Supa-Flex Short Sleeve Vest - 1/5mm. Features 1.5mm Supa-Flex stretch Neoprene, Warm, internal plush lining, Streamlined panelling for best fit, Flat Lock stitch, Full length underarm gusset, No underarm seams = less irritation, Thickness: 1/5mm., Warranty: 12 Months.