The biggest advantage of Growth : light , super soft, excellent elasticity, super low compression ratio, non-toxic and no odor, breathable, sweat absorption, mildew, anti-bacterial, good buffer, no deformation. More portable, washable, more wear resistant. Non-poisonous, no peculiar smell, have faint  scent, can reduce the peculiar smell inside shoe. Super soft composite material,  sponge feeling, good cushioning and resilience to bring the ideal shock absorption. Growth can increase the stability for slip resistance of sole, can be very good with evenly distributed in the foot of the air vent to discharge water and heat, to achieve good foot soft. The invariable characteristic and comfortable feeling, solves the foot bottom long time wear with  hard as uncomfortable feeling.