Nike LD Waffle Sacai fits in the same number as Air Force 1, Air Jordan 1, Air Max 90, Nike Dunk Low, and adidas YEEZY Boost 350 V2 — but about half a size smaller in number than adidas Superstar, adidas Stan Smith, and Converse Chuck Taylor. At offset +0.236, LD Waffle Sacai sits at the AJ1 end of the AF1 cluster. This is a non-obvious split: same as AF1 and same as AJ1, but NOT the same as Superstar — a non-transitive edge case where three 0.5-increment comparisons don't form a cycle. Based on 107 owner-reported pairs in the Feetlot database: if your reference is AF1 or AJ1, order true to size. If your reference is Superstar or Chuck Taylor, size up half.
Nike LD Waffle Sacai Sizing — What 107 Pairs in the Feetlot Database Tell Us
The Nike LD Waffle Sacai is among the most-tracked Sacai collaborations in the Feetlot database. Across 107 owner-reported pairs, the residual variance is tight (standard deviation ≈ 0.25 size units). At offset +0.236, LD Waffle Sacai rounds to "same" as AF1 (0.000), Air Jordan 1 (+0.217), Air Max 90 (+0.314), Nike Dunk Low (+0.275), Air Max 97 (+0.355), Nike Blazer Mid '77 (+0.275), adidas Ultraboost 19 (+0.281), Air More Uptempo (+0.283), Forum Mid RS (+0.211), New Balance 327 (+0.149), New Balance 990 V5 (+0.078), Nike Shox TL (+0.181), adidas NMD R1 V2 (+0.116), and adidas YEEZY Boost 350 V2 (+0.476) at 0.5 increments. adidas Superstar (−0.065) rounds to half a size larger in number than LD Waffle Sacai; adidas Stan Smith (−0.029), adidas NMD R1 Primeknit (−0.081), and Converse Chuck Taylor Ox (≈−0.222) also round to half a size larger in number.
The LD Waffle Sacai's layered Waffle sole and double upper push its offset above AF1 and toward the AJ1/AM90 band. The result is a non-transitive sizing relationship: LD Waffle rounds to the same size as both AF1 and AJ1, but AF1 and Superstar are also the same, while LD Waffle and Superstar are not. This is a known property of the 0.5-increment snap model — rounding at the boundary can break transitivity.
Should You Size Up in Nike LD Waffle Sacai?
Coming from AF1, AJ1, AM90, or Dunk Low
Same size. AF1, AJ1, AM90, and Dunk Low all round to the same size as LD Waffle Sacai in 0.5 increments. No adjustment needed.
Coming from adidas Superstar, Stan Smith, or NMD R1 Primeknit
Size up half. Superstar, Stan Smith, and NMD R1 Primeknit all run about half a size larger in number than LD Waffle Sacai. If you wear Superstar in 10 or Stan Smith in 10, take LD Waffle Sacai in 10.5.
Coming from Converse Chuck Taylor Ox or Hi
Size up half. Chuck Taylor runs about half a size larger in number than LD Waffle Sacai. If you wear Chuck in 10, take LD Waffle Sacai in 10.5.
Coming from YEEZY Boost 350 V2
Same size. Despite their different aesthetics, YEEZY 350 V2 (+0.476) and LD Waffle Sacai (+0.236) round to the same size in 0.5 increments. Same number in both.
How Nike LD Waffle Sacai Compares to Other Sneakers
The Nike LD Waffle Sacai fits at the same numerical size as Nike Air Force 1, Air Jordan 1, Air Jordan 4, Nike Air Max 90, Air Max 97, Nike Dunk Low, Nike Dunk High, Nike Blazer Mid '77, adidas Ultraboost 19, Air More Uptempo, Forum Mid RS, New Balance 327, New Balance 990 V5, Nike Shox TL, adidas NMD R1 V2, and adidas YEEZY Boost 350 V2. According to Feetlot data, all of these round to the same size in 0.5 increments.
The shoes that run larger in number than LD Waffle Sacai — size up half: adidas Superstar, adidas Stan Smith, adidas NMD R1 Primeknit, Converse Chuck Taylor Ox, Converse Chuck Taylor Hi, Sebago Docksides, Dr. Martens 1461, and Balenciaga Track. If you wear Superstar or Chuck in 10, take LD Waffle Sacai in 10.5.
Sign in to Feetlot and add a few of your other sneakers to get a personal LD Waffle Sacai size recommendation.
Nike LD Waffle Sacai Size Chart (US / EU / UK)
| US Men's | US Women's | UK | EU |
|---|---|---|---|
| 5 | 6.5 | 4.5 | 37.5 |
| 5.5 | 7 | 5 | 38 |
| 6 | 7.5 | 5.5 | 38.5 |
| 6.5 | 8 | 6 | 39 |
| 7 | 8.5 | 6 | 40 |
| 7.5 | 9 | 6.5 | 40.5 |
| 8 | 9.5 | 7 | 41 |
| 8.5 | 10 | 7.5 | 42 |
| 9 | 10.5 | 8 | 42.5 |
| 9.5 | 11 | 8.5 | 43 |
| 10 | 11.5 | 9 | 44 |
| 10.5 | 12 | 9.5 | 44.5 |
| 11 | 12.5 | 10 | 45 |
| 12 | 13.5 | 11 | 46 |
| 13 | 14.5 | 12 | 47.5 |
Common Sizing Mistakes
- Using Superstar or NMD R1 PK as a reference. Both run about half a size larger in number than LD Waffle Sacai. If you wear Superstar or NMD R1 PK in 10, take LD Waffle Sacai in 10.5.
- Assuming LD Waffle fits differently than AF1 or AJ1. LD Waffle Sacai rounds to the same size as both AF1 and AJ1 in the Feetlot model. Same number in both.
How Feetlot Computes These Numbers
Every Nike LD Waffle Sacai sizing recommendation on Feetlot is the output of a global offset model fit to over 100,000 owner-reported shoe records. Each shoe gets a single number — its "size offset" — that captures how its sizing drifts relative to a reference shoe (the Nike Air Force 1). The result: sizing advice that holds up no matter how unusual a wardrobe is.