Depends on your tailor but 3m would be pushing it. I'd go for 3.5m or 3.3m at least.

3.5 meters for 2 suits is nonsense. Maybe what he meant was a 2 piece suit.

The combination of mohair and super 100's wool is similiar to the Harrisons Cape Kid which is an incredible cloth. Crease resistant, has a nice sheen to it and a more importantly has a good hand. Top tailors enjoy working with it.Yes, like any other mohair mixture especially one with a high mohair content, it is coarse. And if you have sensitive skin, you'll most likely hate it due to the 'scratchiness'. Is the cloth your talking about made by William Halstead? If yes, they make very good mohair stuff. I have had the pleasure visiting their mill in the UK. Great mill, great products.

265 grammes for mohair is pretty standard stuff. The Harrisons Cape Kid which has 60% mohair content weighs 240 grams/8oz while the Harrisons Firefly which has 18% mohair content weighs 220/240grams or 8oz.

Unless your a tailor, you dont need to bother so much on where to source horsehair. A competent tailor should be able to source it for you. However, if you insist, you can ask your tailor to source it from Richard James Weldon it the UK. They have been supplying trimmings to Savile Row houses/tailors for ages. Used to have an office in London, unfortunately it has been closed down.

For our weather, emarzine, cupro and bemberg are suitable linings. As tempting as silk it, it retains heat and does not breathe well.

If you don't mind and have deep pockets, get 2 Hermes scarves and use it for your jackets lining.I have seen this done, looks awesome.

I'm guessing you got it from Hwa Seng Textiles.