Show size details on any product page.

A return is not just shipping cost: it can include restocking labor, payment-processing fees, depreciation of returned items, and customer-support time. A size chart cannot guarantee lower returns, but it can answer one common source of hesitation: which measurements correspond to each size. Put the chart close to the size selector and make it easy to open before the shopper chooses.

A size chart is only useful if it shows the measurements that decide fit for your product. Tops often need chest, waist, and length. Bottoms often need waist, hip, inseam, and rise. Footwear is about foot length far more than a size number. The mistake many brands make is reusing one generic table across very different product categories. Decide the columns per category and put the measurement the shopper will actually take with a tape before the abstract size label. The Poper widget gives you editable columns, so you can build charts with category-specific measurement rows.

Apparel ecommerce is global, and your visitors do not all measure in the same unit. A chart printed only in one unit forces some shoppers to do mental math. The fix is a unit toggle in the chart header that converts numeric measurement cells in one click. The Poper size chart includes this toggle: enable it, set the chart's default unit, and visitors can flip to the unit they think in. Size labels are left untouched.

An apparel size chart often has 5-8 columns: size, chest, waist, hip, length, sleeve, shoulder. On a desktop browser this fits comfortably. On a 375px phone, it does not. The two failed approaches you see most often: horizontal scroll inside a tiny container (visitors cannot tell which column they are looking at), or shrinking the text until it is unreadable. The better approach is to turn each table row into its own card on narrow screens, where the card shows measurement label and value pairs stacked vertically. This pattern, originally documented by Heydon Pickering and refined by Filament Group, preserves the data relationships and stays legible. The Poper widget ships a card layout built for exactly this, so the chart reads on a phone without a tiny horizontal-scrolling table.

Fit-recommendation tools and body-measurement products can be useful for larger apparel programs, but they are a different category from a size chart. They often require extra data, integrations, and commercial evaluation. For many stores, the first step is still a clear interactive size chart on product pages: editable columns, a unit toggle, an optional measurement image, and a mobile-friendly layout.