Nikki - Flex® | Poolside

$41.25 ~~$55~~ In stock

Nikki keeps little feet comfy and supported all day long! Flexible soles, memory foam cushioning, and breathable materials make them perfect for running, playing, and stylish summer adventures.

Approved by the American Podiatric Medical Association for promoting healthy foot development.

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Standard Shipping: Handling (business days) 0–1; Transit (business days) 7–15.

Express Shipping: Handling (business days) 0–1; Transit (business days) 7–15.

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Delivery costs

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Standard Shipping · United States: $0.00

Express Shipping · United States: $3.99

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United States · Return window (days after delivery): 30. Return method: By mail. Return postage: Seller pays.

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Customer Reviews (4.6 / 5 · 5 reviews)

James N. ★★★★★ Oct 18, 2026

My son practically lives in these sandals now. The memory foam cushioning is a lifesaver for his active feet, and the flexible soles let him run around the pool deck without any slipping.

Madison Y. ★★★★★ Oct 13, 2026

My daughter wore these all day at the pool and never once asked to take them off, which says a lot. The flexible soles let her run on the concrete without tripping, and the breathable straps dried fast after she splashed.

Adam T. ★★★★★ Sep 13, 2026

These have become the only sandals my son will wear now. The memory foam insole actually cushioned his feet through a whole day of running around, and he never once asked to take them off.