MS Side Bites - is backordered and will ship as soon as it is back in stock.
"When it came to designing sides for my 2+1 setup, I wanted something that you could push off of because I have heavy feet, so with that in mind, I widened the base and kept a full outline that will hold in for those critical moments. We also added an inside foil to increase down the line speed, reducing the chatter and drag, ultimately feeling more control and less resistance throughout your turns." - MS
*FCS II compatibility only