Based on a classic British military design

The latest iteration

Thickness: 6/4 mm neoprene (6 mm body/upper thighs

the only thing that will slow these sails down will probably be you

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Lunar Short John 2/2mm Bzip Women Envelope Based on a classic BritishIf you're looking for a sleeveless shorty that still offers more warmth than a swimsuit, the Lunar Short John has got your name on it. With a thickness of 2mm, this suit keeps your core warm and works against windchill, all the while you can still be working on your tan. If you're looking for a sleeveless shorty that still offers more warmth than a swimsuit, the Lunar Short John has got your name on it.