Here are a few of my personal favourites:

DYERS:

The MimoYarnCo:

Funky, bold, and colourful

https://www.etsy.com/shop/themimoyarnco/

Ocean by the Sea:

Delicately botanically dyed beauties

https://www.etsy.com/shop/Oceanbythesea (shop updates tend to sell out fast - check her IG)

Third Vault Yarns

Scifi and fantasy inspired colourways

https://thirdvaultyarns.com/

PATTERNS + DESIGNERS:

Bayron Handmade's Hatdana

https://www.ravelry.com/patterns/library/hatdana

Tif Neilan's Scrappy Smarled Hat