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Fabric:?

outer material:
85% polyester 15% spandex
Filling:
Sponge+Siicone
Lining:100% Polyester

Design?oKeep your?haunch?from sweating,?Keep enjoying those miles, burn away the calories and bring back the cycling fun.??No matter how long you ride, your haunch won;t ache, making you enjoy the trip.?High-density foam& shock-resistant and non-ship silicone: Make cushion compressive resistance enhanced, sedentary deformation.