Wantdo Men's Winter Wool Blend Pea Coats Coffee US X-Small/Tag M Use a garment brush and wipe the coat gently to remove dirt, dust, food, mud, and other particles that have collected. Leave the coat to soak for 30 minutes and squeeze to make sure the soapy water gets into all the fibers.If soft machine wash, at max 30 degree centigrade with similar color. Make sure the washing machine temperature is set to lukewarm, otherwise the coat may shrink. Repeat the rinsing process if necessary if there&#039;s still a lot of soap coming out in the water. Never hang wet wool to dry, as it could cause stretching and misshaping.