Check the care label first
Turn the jumper inside out
Fill a basin with cool or lukewarm water
Add a small amount of wool detergent
Gently submerge the jumper
Soak for 10 to 15 minutes
Gently press the water through the fabric
Do not rub, wring, or stretch the wool
Rinse with cool water until detergent is removed
Press out excess water gently
Roll the jumper in a clean towel to remove more water
Reshape the jumper while damp
Lay it flat on a dry towel or drying rack
Keep it away from direct heat and sunlight
Do not hang it while wet
Store it folded when fully dry