<p class="financial-disclaimer"><i>When you buy through our links, we may earn money from our affiliate partners. <a href="https://www.insider-inc.com/commerce-on-insider-inc/">Learn more.</a></i></p><p class="ingestion featured-caption">H&M; Everlane; & Other Stories; Alyssa Powell/Business Insider</p><ul class="summary-list"><li>A blazer is one of the wardrobe's Swiss army knife staples. It's versatile, flattering, and timeless.</li><li>Whether you're looking for a suit jacket you can own for decades or a '90s-style leather blazer with peaked lapels, you'll find 10 of our favorite options below — plus advice on sizing.</li></ul><p>An excellent blazer, like <a href="https://www.businessinsider.com/womens-jeans-editor-picks-2018-10" target="_blank" rel="noopener">the right pair of jeans</a>, is one of your wardrobe's most valuable players. </p><p>In the same week, the best version can be stacked with jeans and a T-shirt, slacks in the office, and evening-wear on the weekend (in fact, it can be worn as a variation of <a href="https://www.instyle.com/fashion/shirtless-blazer-trend" target="_blank" rel="noopener">evening-wear on its own</a> if you're feeling brave). Like <a href="https://www.insider.com/best-womens-investment-pieces" target="_blank" rel="noopener">any good investment piece</a>, the blazer has a habit of improving the aesthetics of whatever it's paired with — elevating everyday denim and lending interesting juxtaposition to evening gowns. Beyond that, it's one of very few pieces of clothing that has a defined personality — an air of sophistication, gravitas, and, increasingly, gender-neutral self-possession — and the ability to bestow those attributes on the wearer by transitive property. </p><p>From fitted and prep-adjacent to oversized and effortless, you'll find a few of our personal favorite blazers below — plus their size range and any suggestions we have on getting the right fit the first time around. </p>Here are the 10 best blazers for every type of style: Table of Contents: Static