The "Sweaters & Cardigans" collection at Reign Boutique features a variety of cozy options including pullover sweatshirts, ruffle-trimmed sweaters, fuzzy sweaters, sheer pullovers, classic buttoned cardigans, and more from brands like Reign The Label, Another Love, and Thread & Supply. With a focus on comfort and style, the collection offers pieces in a range of colors and designs suitable for any wardrobe.