Keep running up the numbers in the supportive and cushioning Nike Flex Experience RN 9 running shoes that mimic a barefoot-like experience with a super flexible and responsive outsole. Predecessor: Flex Experience RN 8. Support Type: Neutral. Cushioning: Lightweight, flexible response. Surface: Road. Differential: 6 mm. Breathable textile upper with mesh panels at the front and back. Lightly padded tongue and stretchy collar for a supportive wear. Soft fabric lining offers a great wear inside shoe. Removable foam insole. Fused synthetic throughout forefoot. Phylon foam in midsole delivers exceptional cushioning and lightweight durability. Rounded heel mimics the foots shape and rolls naturally with the ground. Tri-star outsole pattern provides optimum flexibility. Lightweight, solid rubber under the toe and heel deliver reliable traction and lasting wear for longer miles. Imported. Measurements: Weight: 7.35 oz Product measurements were taken using size 8.5, width D - Medium. Please note that measurements may vary by size. Weight of footwear is based on a single item, not a pair.