This Friday, February 10, marks the 11th annual Warm Sweater Day, an initiative by Greenchoice to highlight energy conservation. Reducing greenhouse gas emissions requires simple steps like turning down the thermostat. Participants lower their heating, don a warm sweater, and save 6%, 12%, or 18% daily on energy, costs, and emissions. Discover these 5 stylish sweaters now on sale below.

Replay €71.95

Anna Field €27.95

Barbour €97.95

LTB €29.95

Superdry from €71.95