Create DIY for this, I guessing you are going to need to use 2 shirts, cut the one you'll wear with the side slits. Then cut strips out of Tshirt, sew into the inside of the first shirt at the top then weave and sew to the bottom of shirt.
handmade Chrismas card from In My Craft Room . luv the festive look with red and white stripes and deep red seam binding bow . tree stamped and then deccorated with red glitter glue dots . Stampin' Up! by lauren