From Misusu Patterns:
If you're looking for a classic wardrobe staple with a little twist, the Geo tank top might just become your go-to pattern this summer! The main feature of this tank top is the square cut set in armbands in 3 different styles. The top comes with a modern high crew neck option or a classic scoop neck and with 2 length options - pair a cropped Geo tank top with a cool high waisted pants or go for the casual low hip length. This pattern also includes an optional full bust adjustment.
Techniques involved include sewing with knits, straight & curved seams, attaching bands and sewing corners.