PORON insole 1.anti-microbial,anti-absorption 2.keep feet dry and reduce odor 3.ISO 9001:2000 4.OEM service, MOQ=1500pairs Poliyou insole ,HI-POLY insole,shoe insoles , PORON insert in the front and the rearExcellent choice for sport activities such as biking ,running ,walking and climbingThe blue PORON can supply very good shock-abosorption Absorbs moisture to keep feet dry and reduce odor , ...