Wicked Cushions · Aftermarket replacement
Corsair HS50, HS60, and HS70 Earpads - WC FreeZe Cooling Gel
Verified as compatible with 1 headphone model.
Verified compatible headphones
Evidence
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wickedcushions.com
Wicked Cushions’ own product page explicitly lists HS70 PRO in both its compatibility description and compatibility list. It also gives the listed dimensions and describes the WC FreeZe cooling-gel product.