The Kohen's clothing atones for the people: Moed Katan 28a
Difference between clothing of Kohanim and clothing of the Kohen Gadol: Yoma 71b
Clothing of the Kohen anointed to lead the army: Yoma 72b-73a
General craftsmanship: Yoma 72b
Number of strings interwoven in clothing of Kohanim: Yoma 71b-72a; Zevachim 18b Shaatnez in the clothing of Kohanim: Yoma 69a; Zevachim 18b
The mixture of Shaatnez in the clothing of Kohanim could only be worn during the service: Menachot 43a
A tradition from Sinai, taught by Yechezkel, that certain garments of the kohanim must be made of linen: Zevachim 18b