Would you look at that? After 14 years in developement, we can finally have a proper top hat for All-class : r/tf2
TF2: Top 5 All-Class Hats! - YouTube
F2P cosmetics tier list : r/tf2
TF2: All-Class Hats Tier List! - YouTube
An item suggestion made by "Brackets Guy" - A Helmet that is SIMILAR to the Soldier one, that can be Painted and decal'd (And POSSIBLY all-class) : r/ tf2
Best All class combos? : r/tf2
Steam Community :: Guide :: All-Class Cosmetic Loadouts
Towering Pillar of Hats - Official TF2 Wiki | Official Team Fortress Wiki
An interesting title : r/tf2
Steam Community :: Guide :: Free Hats and Items you can earn for TF2!
Steam Community :: Guide :: All-Class Cosmetic Loadouts
Point and Shoot - Official TF2 Wiki | Official Team Fortress Wiki
Bill's Hat Replacement for all-class hats [Team Fortress 2] [Mods]
Steam Community :: Guide :: Free Hats and Items you can earn for TF2!
touhou hat(steam hat) [Team Fortress 2] [Mods]
Saxton - Official TF2 Wiki | Official Team Fortress Wiki