The Nike Flex 2018 RN is a versatile training shoe designed for runners and fitness enthusiasts alike. This review delves deep into the performance, comfort, and overall value of this model, offering a comprehensive assessment based on extensive testing and analysis across various running styles and terrains. We'll examine its strengths and weaknesses, comparing it to other shoes in its class and ultimately determining whether it's a worthwhile investment for your running needs.
Flex RN Running Shoes Review: A Detailed Examination
The Nike Flex 2018 RN positions itself as a lightweight, flexible training shoe suitable for a range of activities, from short sprints to longer runs, and even gym workouts. Its design philosophy centers around adaptability and comfort, aiming to provide a natural feel while still offering sufficient support and cushioning. Let's break down the key features and performance characteristics:
1. Upper: The upper of the Flex 2018 RN is constructed from a breathable mesh material, designed to keep your feet cool and dry during workouts. This mesh is strategically placed, offering varying degrees of support where needed. The tongue is comfortably padded, preventing pressure points and ensuring a snug fit. The lacing system, while standard, provides a secure lockdown, preventing slippage during dynamic movements. However, some users have reported that the mesh, while breathable, can feel somewhat flimsy, particularly in the toe box, leading to concerns about durability over extended use. This is a point worth considering, especially for runners who frequently encounter rough terrain.
2. Midsole: The midsole is where the Nike Flex 2018 RN truly showcases its design philosophy. It features Nike's proprietary cushioning technology, which, while not explicitly named, provides a noticeable level of impact absorption. The cushioning is softer than some other Nike running shoes, providing a more forgiving ride, particularly beneficial for runners with neutral pronation or those looking for a comfortable everyday trainer. The flexibility of the midsole is a key selling point. The deep flex grooves allow for a natural range of motion, mimicking the natural movement of the foot. This contributes to a comfortable and responsive feel, enhancing agility and responsiveness during workouts. However, the softer cushioning might not be ideal for runners who prefer a more firm and responsive feel underfoot. The cushioning could compress more quickly than firmer alternatives with extended use, potentially reducing its effectiveness over time.
3. Outsole: The outsole of the Nike Flex 2018 RN features a durable rubber compound with strategically placed flex grooves. These grooves enhance flexibility and traction, making the shoe suitable for a variety of surfaces. While the traction is generally good on paved surfaces, users have reported that the grip on wet or slippery surfaces could be improved. The durability of the outsole seems to be adequate for regular use, but it's not designed for extreme off-road running. The wear pattern will likely depend on individual running style and the type of surfaces frequently used.
4. Fit and Comfort: The Nike Flex 2018 RN generally provides a comfortable fit. The breathable upper and flexible midsole contribute to a natural feel, minimizing friction and pressure points. However, the fit can be subjective. Some users have reported that the shoe runs slightly narrow, potentially causing discomfort for runners with wider feet. It's recommended to try the shoe on before purchasing to ensure a proper fit. The overall comfort level is excellent for shorter runs and everyday wear, but extended runs might reveal some limitations depending on individual foot shape and running style.
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