I've compared the Contra 14m2 2007 and the Crossbow IDS 13m2.
1. The wingtip of the Contra is longer and less curved
2. The LE of the Contra is equally curved compared to the Crossbow IDS
3. The size of the canopy is almost equal, except for at the wingtip, explains the equal lowend of the 14m2.
Is this really a 13m2?