Sonny Bill Williams will put his ripped jersey up for a good cause following his wardrobe malfunction in the opening match of the tournament at Eden Park.

The All Blacks second five delighted the crowd when he changed his jersey   an incident replayed countless times on computers around the world.

He said proceeds from the auction will go towards a charity back in Australia, the Violet Foundation.

The manufacturers Adidas have sent the jersey to China in an attempt to find out why it ripped.