PORT Adelaide will celebrate 20 years playing in the AFL in round one by wearing a replica of its iconic guernsey from the club's first-ever match.

The jumper harks back to when the Power made their AFL debut against Collingwood at the MCG in round one 1997, but with modern corporate, League and apparel sponsors logos.

It will be the first time the replica design has been dusted off since it was retired as an away strip in 2002 and the first time the Power have worn an 'away' guernsey at home when they host the Saints at Adelaide Oval on March 27.

Brayden Lyle, who captained Port in the club's first game in suspended star Gavin Wanganeen's absence, said watching the Power take on the Saints in the replica jumper would bring back powerful memories.

"It was a very special moment running out onto the MCG that day knowing that you were representing the past and present Port Adelaide community who had worked so hard for us to enter the AFL," Lyle told the club's website.

"This guernsey is a huge part of Port Adelaide's history.

"Not only is it the first guernsey we wore in the AFL but it’s also the guernsey we wore when we beat the Crows in the first Showdown.

"I'll be very proud to see the current Port Adelaide team take this guernsey into a new era when they run onto Adelaide Oval in Round one against St Kilda."

Port Adelaide will wear its usual black shorts and socks, as with all home games.