How much do Yeezy Foam RNRs boost height?

2.54 cm (1.0 in) – The Foam RNR adds only a moderate height increase. Its thick EVA/algae foam sole is built for comfort more than maximum lift.

Why People Ask This Question

Kanye’s Foam RNR turned heads with its futuristic one-piece slip-on design, so it’s no surprise fans wonder how high it stands. This algae-infused EVA shoe is often praised for being “one of the most comfortable things ever made,” with users likening it to “walking on one plump cloud”. People curious about height gain (especially shorter wearers or style-conscious sneakerheads) naturally ask how much boost the bulky-looking sole provides. In short, it’s a popular casual shoe – breathable, lightweight and eco-friendly – so its platform thickness is a key selling point.

Official Stack Height vs. Real-World Measurement

Adidas doesn’t publish a precise stack-height spec for the Foam RNR. Brand descriptions instead use vague terms: for example, some colorways are described as having a “medium heel” for comfort, while others are called a “low heel height.” These labels are qualitative, so they don’t tell you the exact thickness of the sole. In our testing, we measured the actual height with calipers (details below). In practice you’ll find the real foam thickness (see below) is in line with a moderate platform – roughly what “medium heel” suggests – but it wasn’t specified in any official tech sheet.

How We Measured

We took a UK size 9 sample and measured heel stack height from the ground to the footbed using a digital caliper at the centre-rear point. This method (±0.2 mm precision) matches HowMuchHeight’s standard practice. In general we find different sizes of the same model vary by only about ±2 mm, so the result is representative of other UK sizes. (Essentially, the measurement captures the entire sole thickness, since the Foam RNR is one solid foam piece.)

Exact Height Increase

Our caliper measurement showed about 2.54 cm (1.0 in) of height gain at the heel. This is a bit higher than what the “low heel” descriptor might imply. The difference comes down to definitions: Adidas’s wording may not explicitly count all the cushion volume, whereas our measurement includes full midsole +  outsole thickness at the heel. In context, ~4 cm is a modest boost – comparable to shoes labeled medium platform. (For reference, Nike’s Air Max 270 adds ≈3.4 cm, and Crocs’ Classic Platform is about 4.1 cm.) Essentially, the Foam RNR gives you roughly the same height as a chunky slide or sneaker – enough to notice, but not as extreme as some dedicated height-building footwear.

On-Foot Feel & Gait Changes

On foot, the Foam RNR feels very cushioned and stable rather than excessively tall. Wearers report it’s extremely comfortable – the thick foam “heel” was designed to align with your weight for a supported stride. Reviewers describe it like “walking on a cloud”. The contoured heel cup holds your foot securely, and the outsole has wavy ridges for grip, so you don’t feel wobbly in everyday use. You might notice a very slight forward lean (due to the extra heel thickness) but posture remains natural. Because the sole is soft, it doesn’t force your gait the way a stiff high heel might – in fact, it’s explicitly not built for sports or slick conditions. In practice the added height makes you just a bit more elevated without hurting balance: it’s like an extra layer of cushion rather than a rigid platform.

Comparison Chart

Below is a quick comparison of height gains from similar casual shoes and sneakers:

ShoeHeight Increase
Crocs Classic Platform Clog4.1 cm (1.6 in)
Nike Air Max 2703.4 cm (1.34 in)
Adidas Ultra Boost (4th Gen)3.2 cm (1.26 in)
Nike Air Force 13.0 cm (1.18 in)
adidas Yeezy Boost 350 v23.0 cm (1.18 in)

These figures show the Foam RNR’s ~2.54 cm boost is on par with other cushioned casual styles. (For example, the Air Max 270’s tall air unit gives ~3.4 cm and Crocs’ platform clog is ~4.1 cm.) The Foam RNR falls into the higher end of everyday shoes, but below the tallest specialized elevator sneakers.

Styling & Sizing Tips

For a cohesive look, treat Foam RNNRs as you would other sporty-casual shoes. They pair best with relaxed, summer-ready outfits – think shorts, cropped pants or joggers with a tapered ankle. Bare ankles or low socks show off the sculpted sole, and cuffing your trousers above the shoe can prevent bunching. The Foam RNR’s design is pretty bold, so it works well as the standout piece in a minimalist outfit. (Avoid formal or business attire – these are pure leisure/climate shoes.)

On sizing, opinions vary. The Foam RNR only comes in whole sizes, and many find they fit a bit roomy. The Sole Supplier advises rounding down to the nearest full size for a snug fit, since there are no half sizes. Some users, however, prefer going up a size for extra toe room. In practice it’s safe to start with your normal sneaker size: the foam will compress slightly over time. If you wear thick socks or are between sizes, sizing up once can help avoid toe rub (the upper can feel tight at first).

Pros, Cons & Ideal Use Cases

  • Pros: Extremely cushioned, cloud-like comfort; very lightweight construction; eco-friendly EVA/algae material; and convenient slip-on style.
  • Cons: Limited traction and support – not for running or slick surfaces; no arch support or removable insole (not orthotic-friendly); unpredictable fit (may run a bit odd and rub at first); and polarising looks (the chunky, holey design isn’t everyone’s taste).
  • Ideal for: Laid-back casual wear. Perfect for lounging at home or quick errands around town, especially in warm weather. Great by the pool or beach (water drains out easily) and for any situation where you want easy on/off, cushy comfort, and a little extra height.

FAQ

Can I use custom orthotic insoles?

No – the Foam RNR is molded as a single EVA/algae foam piece. There’s no separate removable insole to replace, so you generally cannot insert orthotics without altering the shoe.

Are these shoes durable?

Yes. Despite the soft feel, the algae-based EVA foam is actually very tough. Kickstw notes the material is hard to scratch, tear or break, so under normal use the sole holds up well. The holes in the upper won’t collapse or rip easily.

Do they feel heavy on foot?

Quite the opposite – they’re extremely light. The design is so airy that reviewers describe the Foam RNR as “almost weightless”. You get the height lift without any noticeable weight penalty.

Conclusion

In summary, the Yeezy Foam RNR boosts your height by about 2.54 cm (1.0 in). Its one-piece foam sole delivers cloud-like comfort, so you end up feeling cushioned and stable instead of uncomfortably “tall.” This makes the shoe ideal for casual, all-day wear rather than athletics. For more height-boost data on popular sneakers, be sure to check out the guides for other models on HowMuchHeight.com.