This is a great pattern for transitional sweaters for fall and spring. Warm – but not too hot – on sweater weather days
Cast on an even number of sts
Row 1 - RS: Knit 1, * knit 2 sts together, yarn over; rep from * to last st, knit 1.
Row 2: Purl.
Row 3: Knit 1, * yarn over, knit 2 sts together; rep from * to last st, knit 1.
Row 4: Purl.  
Row 5: Purl.
Row 6: Knit.
Row 7: Knit 1, * yarn over, slip slip knit; rep from * to last st, knit 1.
Row 8:  Purl.
Row 9: Knit 1, * slip slip knit, yarn over; rep from * to last st, knit 1.
Row 10: Purl.
Row 11: Purl.
Row 12: Knit.
Repeat rows 1-12.