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LA casual style starts with the basic tee. It turns out this classic item is incredibly versatile. It’s an appropriate top for almost any situation if you style it right. Your collection should include a variety of colors and cuts that you can mix and match with pants or skirts to create endless different looks.  Black, white and grey are the essentials, but don't be afraid to wear brighter colors like pink and yellow to stand out. Women in LA wear t-shirts with everything from skinny jeans and leggings to miniskirts or over dresses. If you want to dress up your look, wear a t-shirt made out of silk or another upscale fabric. You could also wear a  t-shirt dress for a dressier take on the classic. Men wear t-shirts with either jeans or slacks. Dark, fitted t-shirts add a casual yet upscale urban vibe to your look. Denim is a closet staple for both men and women in LA. Casual and chic, jeans can be dressed down or up to suit almost any occasion. Most people have several pairs of jeans in different rinses and fits. At the very least, have a pair of fitted skinny jeans and another pair of looser jeans for the days when you really want to feel casual.  To dress up a look, wear fitted, dark wash jeans. Women can throw on heels to instantly make denim look classier. Don't forget denim in other forms, like skirts, shirts and jackets. Since it’s home to thousands of notable people, it’s no surprise that LA is fashion forward. Walk down the street and you’ll see people wearing a variety of cuts and designs that break out of the mold. LA is a good place to experiment with clothes you might not find in a standard suburban mall.  Drapey, asymmetrical cuts are popular for women. Try a simple shift dress with an interesting cut-out back or a raw edge along the bottom, or wear a flowy tunic over leggings or tight shorts. If you want to look a bit more feminine or you're going out for a lunch date, a dress is always the best option. Go for loose jersey dresses with thin straps. For men, try a jackets or blazer with an interesting cut over a basic t-shirt. People in LA know that when the sun goes down, the temperature drops a few degrees. The evenings are pleasantly chilly compared to the blazing hot days. If you plan to be out past sundown, bring along a light layer you can throw on after dark.  Drapey cardigans, fitted leather jackets, and trenches are all popular in LA. Styles for men in include jackets and blazers or sweatshirts thrown on when the sun goes down. While the temperature never drops too far below 50 °F (10 °C) in LA, it’s still a good idea to have a jacket or two in your closet for when it’s foggy and cold. Most of your wardrobe can make the transition from summer to winter if you're savvy about layering for warmth. A big collection of scarves will also help you stay warm in style.  Women can wear warm tights or leggings under skirts, and wear sweaters and jackets over tanks and tees. Men can make the transition by swapping shorts for long pants and wearing fitted cardigans and jackets over tees. Los Angelenos are concerned about health and wellness, so they care about what materials are used in the fabrics they wear every day. You won't see a lot of polyester and plastic in an LA casual wardrobe. Natural fabrics like cotton or wool blends and leather are the go-to choices.  Organic fabrics and dyes are becoming more common. Check out companies that have organic clothing lines. Manufacturing practices are also important to people in LA. Look for casual clothes that were locally made, rather than factory-produced in another country.

Summary:
Start growing your t-shirt collection. Fill your closet with denim. Play with interesting cuts. Throw on a sweater or jacket. Gear up for winter. Look for natural fabrics.