This Kuhl men's graphite alloy quarter - zip sweater is super easy to use. You can wear it alone on mild days or layer it under a jacket when it's colder. When washing, just put it in the washing machine on a cold setting with clothes of similar colors. Don't use bleach as it can damage the fabric. After washing, tumble dry it on low to keep it in good shape. The sweater has great features like the sun protection and articulated sleeves, so enjoy the comfort and style it offers while you go about your day.