Small parts preparation

 11A-01.jpg 01 Join 3 shaped waistband parts. Join 3 waistband facings.
 11A-02.jpg 02 Overedge waistband facing

03 Attach 1 label to waistband facing

04 Join shaped waistband and waistband facing at the upper edge, topstitch seam
 11A-03.jpg 05 Overedge right fly part (grown-on), overedge cut edges in left fly section

06 Attach cut-to-length zipper on right fly part
 11A-04.jpg 07 Fold and overedge left fly part
 11A-05.jpg 08 Overedge 1 piping strip Overedge 2 pocket facings
 11A-06.jpg 09 Fell 3 pocket facings on pocket bag (folded)
 11A-07.jpg 10 Close 2 front trousers pocket bags, turn and topstitch

Upper fabric preparation

 11A-08.jpg 11 Overedge 1 trouser without knee lining with seat seam (4 pieces, 10 seams)

12 Overedge front trousers parts with knee lining

13 Overedge back trousers parts with seat seam (2 parts, 6 seams)

14 Sew 2 darts in hind trousers parts Sew 4 waist pleats in front trousers parts
 11A-09.jpg 15 Sew 1 single or double piped pocket without flap in hind trouser part (pocket bag positioned underneath)
 11A-10.jpg 16 Fit out 1 single or double piped pocket in back trousers parts

17 Close 1 pocket bag in hind trouser
 11A-11.jpg 18 Sew 2 wing pockets in front trousers

Wing pockets with separate facings

 11A-12.jpg 19 Fell and attach facing to wing pockets Notch pocket corner

20 Stitch edges of wing pocket openings or side seam pockets

Assembly

 11A-13.jpg 21 Close trousers side seams Close trousers inseams

22 Close trousers side seams, with vent at the hem - open seam

23 Close trousers inseams

24 Finish vent in the side seam

25 Attach cut-to-length zipper on left fly part
 11A-14.jpg 26 Close cross seam

27 Topstitch right fly
 11A-15.jpg 28 Close seat seam
 11A-16.jpg 29 Attach waistband Add belt loops simultanneously

30 Sew, trim and turn right waistband extension

31 Sew, trim and turn left waistband corner

32 Stitch around waistband in the seam shadow

33 Overedge trousers hems
 11A-17.jpg 34 Tacking of the fly twice, the front trousers pockets,
the pocket corners on hind trousers and the belt loops

35 Sew buttonholes in waistband, in back pocket or pocket flap
 11A-18.jpg 36 Sew 1 button to waistband Attach 1 button to back pocket