The Samos swim trunk combines sleek, clean design with innovative functionality. Featuring a tonal, minimalistic look, these trunks stay subtle until they meet water—revealing a playful Bunny pattern through cutting-edge hydrochromic technology. Waterproof bag included in back pocket. Woven - 100% Polyester Mechanical stretch, Inside net 76% polyamide, 24% elastane Made in China Regular Hydrochromic Silicone Bunny patch Logo-printed drawstring Mesh lining Hydrochromic is a term used to describe a type of material that changes color when exposed to water. In the context of swim trunks, hydrochromic materials are used to create a unique and dynamic look. When the trunks come into contact with water, the material changes color, revealing a hidden design or pattern. The color change is temporary and returns to its original state once the fabric dries.