Mark center 10 sc on Back at crotch. Row 1: With RS facing, join A with sl st in first marked st, ch 3, dc in each of next 9 sc -- 10 dc. Rows 2-4: Cont in Stripe pat and dec 1 dc on each row by working dc2tog over 2nd and 3rd dc of each row -- 7 dc. Fasten off.
Rnds 1-2: With B, sc in each sc around, working 2 sc in each corner where necessary for work to lie flat. Fasten off.
SNAP TAPE Sew snap tape along each front on inside of work, with Left Front overlapping Right Front. With RS facing, sew male side of snap tape along each inner leg. With WS facing, sew female side of snap tape along leg at each outside edge. With WS facing, sew male side of snap in each corner of Crotch Tab. Close snaps along front and leg. With RS facing, pull Crotch tab to front and fold up. Sew female side of snap to correspond to crotch snaps.