Simplicity 2318 - Men's & Boy's Lounge wear set
This is a pattern for men's and boy's lounge pants or shorts, top and knit top for a dog.
Sizes: Boy's size Small to Large / Men's Small to XL.
Suitable fabrics: Versions A, B and E are suitable for knit fabrics only: Cooton interlock, jersey, light weightdouble knit, two way stretch. C and D can be made in Flannel, Chambray, needlecord, and in knit fabrics as for A, B & E.
See image for pattern sizing and fabric requirements.