Spring/Summer 2026 womenswear calls for breathable fabrics that keep customers cool and comfortable. This article compares linen, cotton, and viscose, highlighting each materialโs advantages and ideal use cases in warm-weather collections. Boutique buyers will learn how linenโs crisp airflow, cottonโs versatile softness, and viscoseโs silky drape each contribute to SS26 trends. The discussion includes sustainability notes, trend insights, and practical sourcing tips to help wholesalers curate a balanced SS26 lineup that delivers style, comfort, and summer-ready performance.