The Ultimate Guide to Shoe Shopping Online

Feet are not EU numbers. They are width, volume, and a last (the mold) that either matches your foot or gives you a blister by Thursday. Zappos and Nordstrom still earn their keep with free returns. Nike and Adidas fit data is decent if you already live in a model. New Balance widths are a gift. StockX and Goat are for pairs you have already worn in that silhouette. Measure Brannock-style at the end of the day, read reviews for “runs long,” and never unbox on a night you cannot start a return.

Trace the foot or use a Brannock. Note width. A Nike Pegasus and a Nike Dunk do not fit the same; an Adidas Samba is shallower than an Ultraboost. New Balance 990s in D versus 2E is a real decision. Loafers from The Row and from GH Bass are different planets. If you are between sizes, read whether the brand uses half sizes and whether the toe is almond (needs length) or round. Crocs are a volume shoe; size to the chart they publish, not to your Nike number. Screenshot the size chart; it disappears mid-checkout on some apps.

Zappos (Amazon) and Nordstrom remain the least painful for trying two sizes. SSENSE, FARFETCH, and Net-a-Porter are stricter and slower, especially across borders. Nike and Adidas apps let members return more easily in some regions—check the current policy. Revolve can be fine for fashion shoes you will not walk miles in. If the site is a no-return boutique on Instagram, you are gambling. Apple Pay does not change the policy. Keep the box and the tissue until you have walked on a carpet, then a sidewalk.

StockX and Goat confirm you got a real pair, not a pair that fits. Only bid on models you have worn. Factor in buyer fees and shipping before you think you beat Nike.com. Last-sale is the price, not the ask. Deadstock means stiff; budget break-in. For running shoes, buy from a running specialist or Nike/Adidas direct so you can return a pair that hot-spots. Fashion sneakers from a drop can live on StockX; mileage shoes should not. If the size chart on StockX is a single number with no last notes, you are guessing—and guessing is how you fund someone else’s return-proof sale.

Leather and a real rubber sole take rain better than coated fabric that peels. Suede needs spray the day it arrives. White leather court shoes mark; that is the look or it is not. A kitten heel with a wafer sole is a dinner shoe. If your life is cobblestones or a long commute, a stacked loafer, a boot, or a 990 will look more expensive by week three than a delicate strap sandal that has started to list. Replace laces and use cedar trees. That is shoe shopping after the click.

Volume problems (high instep, narrow heel) will not vanish with another half size. Look for brands that do widths, or for loafers with a bit of elastic, or for sneakers with removable insoles you can swap. A cobbler can add a grip sole to a leather-bottom loafer. They cannot give you a longer toe box on a point that was designed as a fashion last. Return it. The right pair is the one you forget about by lunch, not the one you sit down to loosen on the train.

Measure at night, buy from somewhere with a real return, and only use StockX for silhouettes you already know. Width and last matter more than a celebrity unboxing. Walking home should not be the break-in plan.