Today we will be completeing steps 1 and 2.
Place your shorts right sides together with your fabric A and pin or clip the front and rear rise together.
Sew with a stretch stitch or serge along these seams. Repeat for fabric B shorts.
Turn right side out and lay the shorts flat in front of you with the back facing up. Attach the back of the gusset to the back of the center crotch seam and sew with stretch stitch or serge.
Tomorrow we will complete steps 3 & 4, combining the two pairs of shorts and attaching the elastic!