The realism of a silicone sex doll is largely determined by its material quality and craftsmanship. High-grade silicone with a soft, elastic texture closely mimics human skin, providing a natural and pleasurable tactile experience. Dolls with multi-layered silicone construction often feature a softer outer layer for realism and a firmer inner core for stability. Fine details such as textured skin, visible pores, and realistic anatomical features further enhance the feel. The incorporation of features like internal heating and sensory responsiveness can add to the authenticity, making interactions more lifelike. Additionally, the weight and density of the doll contribute to a more realistic sensation during use. The best models often include adjustable features, allowing users to customize firmness and positioning to match their preferences. Regular cleaning and proper maintenance preserve the softness and texture of the silicone over time, ensuring the feel remains consistently authentic. Overall, a combination of high-quality materials and thoughtful design results in silicone sex dolls that truly mimic the sensation of real human skin.