This design is featured in Findley - Alloy Pullover, a leaflet from Juniper Moon Farm, and uses Juniper Moon Farm yarn including Findley
Please note the following revisions:
Rep Short Rows 5 & 6 FOUR more times (not 5).
Short Row 15 (RS): *K to 1 st before m, yo, k1, sm, k1, yo, rep from * once more, k to next wrapped st, pick up wrap and k it with wrapped st, k1, sm, k1, w&t—136 (150, 154, 168, 172) sts: 16 each sleeve; 52 (59, 61, 68, 70) each for front and back.
Short Row 16: P to last wrapped st, pick up wrap and p with wrapped st, p1, sm, p1, w&t.
Short Row 17: *Yo, k1, sm, k1, yo, k to 1 st before m, rep from * twice more, yo, k1, sm, k1 tog with its wrap, yo, w&t—8 sts inc’d.
Short Row 18: P to last wrapped st, pick up wrap and p with wrapped st, w&t.