north sonar ha850 front wingABOUT: The High Aspect HA1250 beats upwind like nothing else. The ultimate front wing for wing foiling at speed, the HA1250 boasts high lift, speed, and glide in flat or choppy water. Exceptional efficiency and pumpability allows you connect wave after wave when prone or SUP foil surfing. Its high wingspan to chord length ratio and relatively thin profile is similar to a sailplane glider wing. With this style of wing, you generate maximum efficiency