49mm Ice Blue Ocean Band Extension - Black Titanium FinishMade from the same high performance elastomer as the Ocean Band, this strap extension lengthens the 49mm Ocean Band by an additional 50 millimetres perfect if you need extra length to wear the strap over your wetsuit. The extension comes with an extra adjustable, corrosion resistant titanium loop, which you can place in any tube to tuck the excess strap into. This extension must be used with the standard Ocean Band.