As nude swims go, this has to be one of the most refined.

Participants in the Sydney Skinny, which took place on Sunday, are only naked once they're in the water, and are handed sarongs as they get out of the sea.

Hundreds took part in this year's event, which is ticket-only and takes place on the secluded Cobblers Beach, on Sydney's lower shore.

It is dubbed the first mass nude ocean swim, and people taking part can swim for 300 or 900 metres, with no timing, and flippers are allowed.

Proceeds go towards the Foundation for National Parks and Wildlife, while one of the event's goals is to "strike a blow against destructive body image issues and to practise greater self acceptance", the Sydney Morning Herald reported.

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  • LIFESTYLE-AUSTRALIA-SWIM-NUDE

    TO ACCOMPANY FEATURE LIFESTYLE-AUSTRALIA-SWIM-NUDE BY MADELEINE COOREY Organizer Nigel Marsh (R) reaches for a sarong after completing the 'Sydney Skinny' - in what is dubbed the first mass nude ocean swim, in Sydney on February 17, 2013. The inaugural Sydney Skinny is a gentle 900m nude swim where the emphasis is on enjoying swimming in the nude rather than times and racing. The event saw hundreds of people shed their clothes to take part in the harbour splash which encourages people to toss out worries about body image.. AFP PHOTO/William WEST (Photo credit should read WILLIAM WEST/AFP/Getty Images)

  • AUSTRALIA-NUDE-SWIM

    Three competitors with 'Skinny' written on the bottoms enter the water at the start the second annual Sydney Skinny where they take part in an attempt to break the world record for the largest nude ocean swim a record set at last years inaugural event, in Sydney on February 23, 2014. Over 700 people competed last year and the event is used to strike a blow against negative body image pressure and simply to enjoy a brilliant swim. AFP PHOTO/William WEST (Photo credit should read WILLIAM WEST/AFP/Getty Images)

  • AUSTRALIA-NUDE-SWIM

    Competitors emerge from the water at the finish the second annual Sydney Skinny where they take part in an attempt to break the world record for the largest nude ocean swim a record set at last years inaugural event, in Sydney on February 23, 2014. Over 700 people competed last year and the event is used to strike a blow against negative body image pressure and simply to enjoy a brilliant swim. AFP PHOTO/William WEST (Photo credit should read WILLIAM WEST/AFP/Getty Images)

  • AUSTRALIA-NUDE-SWIM

    Competitors emerge from the water at the finish the second annual Sydney Skinny where they take part in an attempt to break the world record for the largest nude ocean swim a record set at last years inaugural event, in Sydney on February 23, 2014. Over 700 people competed last year and the event is used to strike a blow against negative body image pressure and simply to enjoy a brilliant swim. AFP PHOTO/William WESTs (Photo credit should read WILLIAM WEST/AFP/Getty Images)

  • AUSTRALIA-NUDE-SWIM

    Competitors wait for the start of the second annual Sydney Skinny where they take part in an attempt to break the world record for the largest nude ocean swim a record set at last years inaugural event, in Sydney on February 23, 2014. Over 700 people competed last year and the event is used to strike a blow against negative body image pressure and simply to enjoy a brilliant swim. AFP PHOTO/William WEST (Photo credit should read WILLIAM WEST/AFP/Getty Images)

  • AUSTRALIA-NUDE-SWIM

    Competitors run into the water at the start the second annual Sydney Skinny where they take part in an attempt to break the world record for the largest nude ocean swim a record set at last years inaugural event, in Sydney on February 23, 2014. Over 700 people competed last year and the event is used to strike a blow against negative body image pressure and simply to enjoy a brilliant swim. AFP PHOTO/William WEST (Photo credit should read WILLIAM WEST/AFP/Getty Images)

  • LIFESTYLE-AUSTRALIA-SWIM-NUDE

    TO ACCOMPANY FEATURE LIFESTYLE-AUSTRALIA-SWIM-NUDE BY MADELEINE COOREY Jo Davidson (C) and her fellow members of the Coogee Cougars running group prepare to enter the water for the 'Sydney Skinny' - in what is dubbed the first mass nude ocean swim, in Sydney on February 17, 2013. The inaugural Sydney Skinny is a gentle 900m nude swim where the emphasis is on enjoying swimming in the nude rather than times and racing. The event saw hundreds of people shed their clothes to take part in the harbour splash which encourages people to toss out worries about body image.. AFP PHOTO/William WEST (Photo credit should read WILLIAM WEST/AFP/Getty Images)

  • LIFESTYLE-AUSTRALIA-SWIM-NUDE

    TO ACCOMPANY FEATURE LIFESTYLE-AUSTRALIA-SWIM-NUDE BY MADELEINE COOREY A nude swimmer reaches for a sarong after completing the 'Sydney Skinny' - in what is dubbed the first mass nude ocean swim, in Sydney on February 17, 2013. The inaugural Sydney Skinny is a gentle 900m nude swim where the emphasis is on enjoying swimming in the nude rather than times and racing. The event saw hundreds of people shed their clothes to take part in the harbour splash which encourages people to toss out worries about body image.. AFP PHOTO/William WEST (Photo credit should read WILLIAM WEST/AFP/Getty Images)

  • AUSTRALIA-LIFESTYLE-SWIM-OCEAN-NUDE

    Nude swimmers hit the surf in the 'Sydney Skinny' - in what is dubbed the first mass nude ocean swim in Sydney on February 17, 2013. The inaugural Sydney Skinny is a gentle 900m nude swim where the emphasis is on enjoying swimming in the nude rather than times and racing. The event encourages people to try something different and toss out the worries about body image. AFP PHOTO/William WEST (Photo credit should read WILLIAM WEST/AFP/Getty Images)

  • LIFESTYLE-AUSTRALIA-SWIM-NUDE

    TO ACCOMPANY FEATURE LIFESTYLE-AUSTRALIA-SWIM-NUDE BY MADELEINE COOREY A nude swimmer reaches for a sarong after completing the 'Sydney Skinny' - in what is dubbed the first mass nude ocean swim, in Sydney on February 17, 2013. The inaugural Sydney Skinny is a gentle 900m nude swim where the emphasis is on enjoying swimming in the nude rather than times and racing. The event saw hundreds of people shed their clothes to take part in the harbour splash which encourages people to toss out worries about body image.. AFP PHOTO/William WEST (Photo credit should read WILLIAM WEST/AFP/Getty Images)

  • AUSTRALIA-LIFESTYLE-SWIM-OCEAN-NUDE

    Nude swimmers hit the surf in the 'Sydney Skinny' - in what is dubbed the first mass nude ocean swim in Sydney on February 17, 2013. The inaugural Sydney Skinny is a gentle 900m nude swim where the emphasis is on enjoying swimming in the nude rather than times and racing. The event encourages people to try something different and toss out the worries about body image. AFP PHOTO/William WEST (Photo credit should read WILLIAM WEST/AFP/Getty Images)

  • AUSTRALIA-LIFESTYLE-SWIM-OCEAN-NUDE

    Nude swimmers hit the surf in the 'Sydney Skinny' - in what is dubbed the first mass nude ocean swim in Sydney on February 17, 2013. The inaugural Sydney Skinny is a gentle 900m nude swim where the emphasis is on enjoying swimming in the nude rather than times and racing. The event encourages people to try something different and toss out the worries about body image. AFP PHOTO/William WEST (Photo credit should read WILLIAM WEST/AFP/Getty Images)

  • LIFESTYLE-AUSTRALIA-SWIM-NUDE

    TO ACCOMPANY FEATURE LIFESTYLE-AUSTRALIA-SWIM-NUDE BY MADELEINE COOREY Jo Davidson (4/R) and her fellow members of the Coogee Cougars running group prepare to enter the water for the 'Sydney Skinny' - in what is dubbed the first mass nude ocean swim, in Sydney on February 17, 2013. The inaugural Sydney Skinny is a gentle 900m nude swim where the emphasis is on enjoying swimming in the nude rather than times and racing. The event saw hundreds of people shed their clothes to take part in the harbour splash which encourages people to toss out worries about body image.. AFP PHOTO/William WEST (Photo credit should read WILLIAM WEST/AFP/Getty Images)

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