Return man LaMichael James went down with a neck injury after he fumbled the catch on a punt to begin the second quarter but came back,Nike Air Max Sko Herre.
Kaepernick's 58-yard run is the longest allowed by Seattle this season, topping Frank Gore's 51-yard gain that set up the winning field goal in the 49ers' 19-17 victory Dec. 8 at Candlestick Park.