Macy's offers the Karen Scott Women's Petite Cotton Turtleneck Sweater in Red/Black for $11.96. Pad your order with a beauty item (they start at $3) to bag free shipping; otherwise, shipping adds $10.95. That's $35 off list and the lowest price we could find. It's available in petite sizes M to XL.
The planet will thank you, your local (overwhelmed) landfill will thank you. Even your budget will thank you.