I'm covering some menswear related fashion sales from Australian retailers. A similar thread is on Reddit.
Support Small/Independent Shops:
Spares Store - 20% off sitewide and instore - Code: BLACK20
Modern Classic Shop - 20% storewide: Code: TAKE20%
Australian Retailers:
MJ Bale - Cyberweek 30% off Sitewide
The Iconic - 30% off selected
Mr Simple - 40% off sitewide
Henry Bucks - up to 50% sale
Harrolds - up to 50% sale
Incu - 30% off selected styles
Everything Australian - Up to 15% off RM Williams, 20% off Blundstone,
Ksubi - up to 50% off
Superdry - 30% off storewide
Ben Sherman - 30% off sitewide
Country Road - 20% off everything
H&M - 20% off storewide
Uniqlo - Black Friday Deals
Muji - 20% off full price items
Levi's - 30% off sitewide
Nudie Jeans - 30% for members
Socks:
Upmovement - Spend $60 and get 2x Free Pairs
Accessories:
Allingtons - 50% off RM Williams Belts
Orbitkey - 25% off sitewide
Stetson Australia - 25% off storewide (hats, etc)
Step One - Upto 30% off
Bonds - 40% off
Trimly - sale on shoe trees and leather care (Boot Black, etc)
The 'meh' mall brands always on sale anyway:
Myer - up to 50% sale
David Jones - save 30%
GAZMAN - Upto 50% off
Tarocash - 40-75% off everything
yD. - 40% off everything
Aquila - 25% off everything
Zanerobe - up to 50% off sitewide
You should have direct links to the sites