Nike Rep Sizing Guide

Nike rep sizing follows retail sizing conventions for most silhouettes, but with important exceptions by model. The general rule — size down half for Jordan 4, size true for Dunk Low, size up half for Huarache — applies across batch tiers because sizing reflects last shape, not quality tier. Even premium B3 batches of Jordan 4 require the same half-size-up as budget batches because the last shape is replicated across tiers.

Width considerations affect sizing decisions for some buyers. Nike silhouettes vary in width, and buyers with wider feet may need to adjust differently than narrow-foot buyers even for the same silhouette. The Dunk Low's wider toe box accommodates most foot widths at true size. The Air Max 1's narrower last benefits from half-size-up for wider feet. Community sizing posts that specify foot width alongside size recommendations are more useful for fit decisions than generic size-only guidance.

For first-time Nike rep buyers purchasing multiple silhouettes simultaneously: do not assume consistent sizing across models. Research each silhouette's sizing independently. Buying a Jordan 4 and a Dunk Low at the same time requires different size decisions — the Jordan needs a half-size-up while the Dunk fits true. Size research is per-silhouette work, not a one-time baseline decision.

Foot width is an underrepresented variable in Nike rep sizing discussions. Most community sizing guidance focuses on length, but width significantly affects how a shoe fits on arrival and how it breaks in. Nike silhouettes vary in their standard widths — Dunk Lows run relatively wide, AM1 runs narrow, Jordan 1 is moderate. Buyers with non-standard widths should seek community posts that specifically mention foot width alongside size recommendations for the most relevant guidance.

The most important sizing rule for Nike reps: check per-silhouette, not per-brand. Air Force 1 runs half a size large in rep batches — same as retail. Dunk Low runs true. Jordan 4 typically needs half a size up. Air Max 97 runs half large. The sizing tool handles EU/US/UK/CM conversion with per-silhouette notes for every major Nike model.

For the most commonly bought models: Air Force 1 (half down), Dunk Low (true to size), Vomero 5 (true, check width), Air Max 97 (half down on most batches).

Batch also affects sizing. LJR batch on the same silhouette can fit differently from TS batch. The batch guide includes batch-specific sizing notes. Always specify EU size in order notes to your agent — the agent guide covers the note-writing process for CNFans, Kakobuy, and Sugargoo. See the model directory for silhouette-specific sizing tables.

One final note: always check the insole label photo as part of your QC set. Some batch sellers list a shoe as EU43 but the actual construction runs closer to EU42.5. The insole label photo is the only way to catch this before approving shipment. The QC checklist includes insole label verification as a mandatory step. The rep sizing landscape also shifts when factories update their lasts — a sizing note accurate in 2023 may not reflect 2026 production. Check the date of any sizing recommendation before relying on it. The model directory notes when sizing data was last verified for each silhouette, so you can tell whether you are reading current guidance or historical data that may no longer apply.

Batch selection and sizing are linked. LJR batch on the Air Force 1 has been measured by community buyers at consistently half a size large — true to the retail AF1 sizing pattern. TS batch on the same silhouette sometimes runs slightly larger. These differences are small but compound across a haul: ordering five pairs with the wrong sizing assumption costs more to correct than the batch premium you saved. Check the batch guide for batch-specific sizing notes alongside quality scores.

For EU buyers specifically: always specify EU size in your order notes, not US size. US to EU conversion at half sizes is inconsistent across different charts, and Chinese sellers use EU sizing internally. Providing EU directly removes the conversion step and the error risk that comes with it. If you're unsure of your EU size for a specific silhouette, use the sizing tool and cross-reference with the notes on the individual model page in the model directory. The agent guide covers how to write order notes for each platform.