16 sts x 8 rows = 4" in Chevron patt
Chevron patt: (multiple of 16 ch + 3)
Row 1 (RS): Dc2tog in 4th & 5th ch from hk, * [ch 1, sk 1 ch, dc in next ch] twice, ch 1, sk 1 ch, 5 dc in next ch, [ch 1, sk 1 ch, dc in next ch] twice, ch 1, ** [sk 1 ch, dc2tog over next 2 ch] twice; rep from * across to last 4 ch, ending last rep at **, sk 1 ch, dc3tog over last 3 ch, turn.
Row 2: Ch 1, sc in top of dc3tog, * [sc in ch-1 sp, ch 1] 3 times, [sk 1 dc, sc in next dc, ch 1] twice, [sc in ch-1 sp, ch 1] 3 times; rep from * across, omitting last ch 1 on final rep, sc in top of beg dc2tog, turn.
Row 3: Ch 3, sk 1st sc, dc2tog over next sc & ch-1 sp, * [ch 1, dc in next ch-1 sp] twice, ch 1, 5 dc in next ch-1 sp, [ch 1, dc in next ch-1 sp] twice, ch 1, ** dc2tog over next ch-1 sp & next sk, dc2tog over next sc & ch-1 sp; rep from * to last 2 sc, ending last rep at **, dc3tog over last ch-1 sp & last 2 sc, turn.
Row 4: Rep Row 2.
Rep Rows 3-4 for patt.
With A, ch 323.
Rows 1-4: With A, work Rows 1-4 of Chevron patt. Continue working in Chevron patt working [4 rows in B, then 4 rows in A] twice. Fasten off.
Sew side seam.
Weave in ends.
beg = begin(ing), ch =chain,
dc = double crochet, dc2tog = double crochet the next 2 sts together (1 st dec)
dc3tog = double crochet the next 3 sts together (2 sts dec)
hk = hook
patt = pattern
rep = repeat(ing)