Hook - 3X- or 4X-long nymph hook
Thread - Brown
Tail - Two pheasant tail fibers
Ribbing - Brown monofilament, stripped brown hackle stem or brown uni stretch
Abdomen - Amber/golden stone dubbing
Wing cases - Two split jungle cock eyes*
Thorax - Amber/golden stone dubbing
Legs - Partridge or grouse
I have tied those before because I liked the JC eyed wing cases. Yours looks great. BTW I was looking through some of the swap flies I have saved from the swaps you participated in in 2005/2006 era. The fiies you tied were among some of the best then as they are now.