Nike Infant Flex Runner 3. Made For Play, The Nike Flex Runner 3 Pairs A Stretchy, Easy-To-Pull-On Design With A Grippy, Flexible Outsole So Little Ones Are Always Ready To Step Into Fun. Style Code: Fn1448-009 The Finer Details. A Stretchy Bootie Design Provides A Snug Fit While Ensuring The Flex Runner 3 Is Easy To Slip On And Off. Synthetic Leather Overlays Work With A Stretchy Heel Strap And Reinforced Toe Tip To Provide Support And Durability Where Kids Need It Most. Foam Wraps Around The Heel To Help Provide Stability When Kids Quickly Shift Directions. To Keep The Foam Outsole Flexible, We Added Flex Grooves Throughout, Helping Every Step Feel Natural. Multiple Tread Patterns Help Provide Durable Multisurface Traction. Breathable Mesh Keeps The Shoe Lightweight And Helps Little Feet Stay Cool. Pull Tabs On The Heel And Tongue Help Make The Shoe Easy To Take On And Off. Nike Infant Flex Runner 3 Shoes in Grey/Orange | Size 4.5