Nifty little pattern color combos are pretty endless.
materials are as follows
Hook: SL12 #4/0
TAIL
Flash : Crafty fly pedal mixed with Sybai violet tinsel hair.
Yak: Silver Grey blend 6/8 inch https://rupertharveysflies.com/products/blended-yakety-yak-hair-silver-grey
head
HEAD
Aquafur or craft fur white and grey
Eyes : invisible tabs small with 5mm flat eyes
https://rupertharveysflies.com/collections/flytying-materials/products/invisible-tabs
Glues: liquid fusion and thin raidzap uv