Thank you for viewing! Yulex Regulator Hooded Vest Size: M Only tried on, brand new, never used. Fits perfectly for someone 175cm tall and 70kg. I don't have a chance to use it, so if you're looking for one, how about it for the coming season? Quoted from the official website below: A hooded vest that can be worn under a wetsuit for comfort and increased warmth. Made of stretchy 2mm/1.5mm thick Yulex natural rubber 85% / synthetic rubber 15% (polymer content), the natural rubber is sourced from FSC (Forest Stewardship Council) certified by Preferred by Nature. Manufactured in a Fair Trade Certified factory.