1.Unique quick absorption OO circle Especially developed double spiral OO type funnel hole accelerate the blood infiltration, keeping the surface more dry, reduce the moisture and heat, make you enjoy the comfortable holiday. 2.Health and Environmental Control Produce according to pharmaceutical environment, healthier, safer, and more relaxed. 3. Ergonomic, perfect fit According to ergonomic, humanized shape design, portable and fixed, no matter how you move, not easy to deformation, allowing you to feel at ease and more comfortable. 4.Breathable bottom Breathable bottom design, discharge hot moisture and brings fresh cool feeling.