Home shoes/Slipper crochet pattern with cable

Who doesn't love a pair of warm, comfy slippers. With these detailed instructions
crochet a pair for yourself.
The sole is worked double, making the shoes super warm.
English is not my mother language (please appologize if any writing errors)

You should have knowledge in crocheting relief stitches/front post double crochet(FPDC), double relief stitches/front post treble crochet(FPTC) and cable crochet.
The instructions consist of 9 pages, described in detail with pictures.(PDF)

Sizes 36/37 (S) / US 6-6,5 / UK 4-4,5
Sizes 38/39 (M) / US 7,5-8 / UK 5,5 - 6
Sizes 40/41 (L) / US 9-9,5 / 7-7,5

I used Alize Superlana Maxi (LL 100m/100g) approx. 150g red and less than 100g anthracite.
crochet hook 4 and 5 (US size 8 and 6) ( UK size G/6 and H/8)
yarn needle/ scissor