Different sex doll models vary significantly in comfort levels, influenced by materials, design, and features. Basic models often use less realistic materials and may have rigid joints, which can reduce comfort during use. In contrast, high-end models utilize advanced silicone or TPE (thermoplastic elastomer), offering a softer, more skin-like feel that enhances comfort and realism. The design of joints and movable parts also impacts comfort; models with articulated limbs and flexible joints allow for more natural positioning and reduce strain during use. Weight distribution is another factor—well-balanced dolls are easier and more comfortable to handle, especially during prolonged sessions. Additionally, the inclusion of features such as temperature control or customizable body parts can significantly increase comfort by making the experience more personalized and realistic. Some models come with ergonomic shapes designed to support different body positions, reducing fatigue and discomfort. When comparing models, consider user reviews and specifications regarding material softness, joint flexibility, and overall build quality. Ultimately, the most comfortable model depends on individual preferences, but generally, dolls with realistic textures, flexible joints, and thoughtful design tend to offer a superior experience.