【Breathable Design】 The blue insole has ventilation holes to wick away moisture and provide a comfortable fit. 【Durable Material】 Made of synthetic material, it is durable enough to withstand long-term use. 【Customizable】 The black insole can be used as a replacement sole for fishing shoes or boots and can be customized to individual needs. - Color: Black - Color: Blue - Material: Synthetic material - Features: With ventilation holes Thank you for viewing.