Two brands dominate the sustainable dress conversation in 2026: Reformation and Christy Dawn. Both sell dresses made with deadstock or organic fabrics, but they operate under fundamentally different production models. This breakdown covers fabric sourcing, sizing, pricing, and return policies so you can pick the right brand for your wardrobe. This is not legal advice — consult a licensed attorney for any contractual or consumer rights questions. Fabric Sourcing: Deadstock vs. Organic Cotton — What Each Brand Actually Uses Reformation buys leftover fabric rolls from larger manufacturers — deadstock — and cuts them into limited-run dresses. Christy Dawn uses deadstock…