What is the framing? Is it Avia and AeroStuff?
LE: Skinny SUL,
Spreader : Aerostruff BLue S
Other differences to to normal UL: Standoff position (a bit more outward) and length, the bridle is fixed on the lower spreader (ca. 10-12 cm form center cross).
This alterations and the harder frame, make the UL-comp much more radikal than the UL.