Selling Tips
20 Tips for Selling Clothes Online
20 practical tips for selling clothes online across eBay, Poshmark, and Mercari, with a flat-measurement table and cited sources.
Alize Mendez
June 13, 2026
The Sizely Blog
Sizing and fit, explained
Guides on how to measure yourself, read a brand's size chart, and convert sizes between brands and countries, so you order the right size the first time.
Buying Tips
How to Add a Size Chart to Shopify (3 Ways)
Theme section, a size chart app, or a free chart image from Sizely. Three ways to add a size chart to Shopify, and what each one takes and costs.
Jason
July 11, 2026
Buying Tips
Ecommerce Return Statistics 2026: Rates, Costs, Causes
Every big ecommerce returns stat in one place, traced to its primary source: 2025 return rates, why clothing comes back, and what cuts returns.
Jason
July 11, 2026
Buying Tips
Ecommerce Returns Solutions: What Actually Cuts the Rate
Returns solutions come in two types: tools that manage returns after they happen, and tools that prevent them. How they differ and which to buy first.
Jason
July 11, 2026
Buying Tips
Fashion Ecommerce Benchmarks: Conversion, AOV, Returns
The core fashion ecommerce benchmarks in one place, each tied to its publisher and year: conversion, order value, cart abandonment, and returns.
Jason
July 11, 2026
Buying Tips
How to Reduce Clothing Returns: 9 Tactics That Work
Returns eat margin and time, and most of them are sizing. Nine practical ways to cut clothing returns, with the data behind each and where to start this week.
Jason
July 11, 2026
Buying Tips
Return Policy Template for Clothing Stores (Copy and Adapt)
Copy this return policy template for your clothing store and adapt it, plus the window, free-return, and exchange-first settings that cut wrong-size returns.
Jason
July 11, 2026
Buying Tips
Size Grading: How to Grade Sizes for a Clothing Line
Grading turns one fit-approved base size into a full range. How grade rules, common steps, and tolerances work, plus a worked example from a base medium.
Jason
July 11, 2026
Buying Tips
True Fit vs Fit Analytics vs Kiwi Sizing vs Sizely (2026)
We compared True Fit, Fit Analytics, Kiwi Sizing, and Sizely on price, platforms, and published accuracy, using dated primary sources only.
Jason
July 11, 2026
Buying Tips
Virtual Fitting Rooms for Ecommerce: The Complete Guide
Virtual fitting rooms cover four different technologies, from body scans to size recommenders. What each does, what it costs, and when you actually need one.
Jason
July 11, 2026
Buying Tips
Wardrobing, Bracketing, and Serial Returners, Explained
Wardrobing, bracketing, and serial returners get lumped together, but the fix for each is different. Here is what each one is and what to do about it.
Jason
July 11, 2026
Buying Tips
What is a tech pack? The complete guide for clothing brands
What a tech pack is, what goes in each section, and why it gets you faster factory quotes and better samples. Includes a free template to download.
Jason
July 11, 2026
Buying Tips
Why a Size 6 Is Not a Size 6 Across Brands
We pulled the official size charts of six major brands. The same size 6 has a different bust, waist, and hip at each one. Here is the data, and how to cope.
Jason
July 11, 2026
Buying Tips
eBay Advanced Search - Top Tips & Tricks
A practical walkthrough of eBay Advanced Search: sold and completed filters, keyword matching, seller targeting, typo hunting, and saved searches for buyers and sellers.
Jason
July 11, 2026
Selling Tips
How to Block a Buyer on eBay
Block a problem buyer on eBay in four steps, then set buyer requirements so you rarely have to. Includes a threshold-setting framework and how clearer listings cut the fit returns that create problem buyers.
Sophie Clipton
July 11, 2026
Buying Tips
How to Cancel Your eBay Order as a Buyer
A buyer's guide to canceling an eBay order: the one-hour self-service window, requesting a seller cancellation after it closes, refund timing, and the return path once an item ships, with each policy claim cited to eBay's official help pages.
Jason
July 11, 2026
Selling Tips
How to Cancel Your eBay Order as a Seller
A seller's guide to canceling an eBay order, including the Seller Hub steps, the 30-day window, fee credits, and which reasons avoid an account defect.
Jason
July 11, 2026
Selling Tips
How to put your eBay Store on Vacation Mode
A step-by-step 2026 guide to eBay's Time Away (vacation mode): where to find it, whether to pause or allow sales, what keeps running, and how to return.
Alize Mendez
July 11, 2026
Selling Tips
How to Send an Invoice on eBay
A 2026 walkthrough of sending eBay invoices from Seller Hub, with combined shipping, managed-payments payout timing, and troubleshooting, sourced from eBay's help pages.
Jason
July 11, 2026
Buying Tips
How to Use eBay Search - A Beginners Guide
A practical guide to eBay search: use short keywords, operators, filters and sort options to find better listings and real bargains.
Jason
July 11, 2026
Selling Tips
The Language of Fit: How We Describe Clothing in 10 Different Countries
A cross-country glossary of clothing fit terms. See how slim, regular, relaxed and oversized translate (and shift meaning) across 10 markets, with a reference table and the measurements that make fit universal.
Alize Mendez
June 15, 2026
Selling Tips
How Secondhand Fashion Changed the Way We Think About Sizing
How to find your size when buying secondhand or vintage: ignore the unreliable label and shop by flat measurements, with a what-to-check-by-garment table.
Sophie Clipton
June 15, 2026
Guides
Why Sizing Standards Still Don't Exist, and What It Means for Online Shoppers
Sizing standards like ASTM, EN 13402, and ISO 8559 exist but are voluntary, so brands set their own fit and labels drift. Here is why sizes never match, and how to shop by measurement instead.
Annie Button
June 15, 2026
Guides
How to Measure Glasses?
The eye size is the most important number for fit. Read the three numbers stamped on the arm, or confirm them with a millimeter ruler in about two minutes.
Alize Mendez
June 13, 2026
Guides
How to Measure a Jacket?
A guide to measuring jackets and blazers flat for online listings: nine flat measurements in inches and centimeters, a size-tag table cross-checked against ASTM D6240 and ISO 8559-1, fit notes, common mistakes, and FAQs.
Alize Mendez
June 13, 2026
Guides
How to Measure a Dress Shirt?
A plain guide to measuring a dress shirt the right way, reading the neck and sleeve numbers on the tag, and knowing which measurement controls which part of the fit.
Nella Cheng
June 13, 2026
Guides
How to Measure a Belt?
Measure a belt by running a tape from the buckle fold to the hole you fasten most. To buy new, add 1 to 2 inches to your pants waist.
Annie Button
June 13, 2026
Guides
How to Measure a Bikini?
Measure a bikini in five laid-flat readings: cup length, cup width and band on the top, waist width and front-to-back rise on the bottom. List the relaxed flat numbers, not body size, so shoppers compare against the garment.
Nella Cheng
June 13, 2026
Guides
How to Measure a Bodysuit?
A hands-on guide to measuring a bodysuit flat, with the six points that matter, measured flat ranges by size, a thong vs full-cut leg diagram, and a fit-notes FAQ.
Alize Mendez
June 13, 2026
Guides
How to Measure a Dress?
A guide to measuring a dress flat, point by point, with a worked example, an inline flat-to-body conversion calculator, and ASTM-aligned definitions. Reviewed June 2026.
Alize Mendez
June 13, 2026
Guides
How to Measure a Hat?
Measure a hat with three numbers, the inside circumference that sets the size plus crown height and brim width, with a circumference-to-size chart and step-by-step instructions.
Nella Cheng
June 13, 2026
Guides
How to Measure a Polo Shirt?
A flat-measurement guide to a polo shirt's chest, shoulder, sleeve, length, waist and hem in inches and centimeters, with fabric, fit and common-mistake notes.
Sophie Clipton
June 13, 2026
Guides
How to Measure a Skirt?
A step-by-step guide to measuring a skirt flat: waist, hip, length, and hem sweep, plus which numbers to double and the most common listing mistakes.
Alize Mendez
June 13, 2026
Guides
How to Measure a Sweatshirt?
A step-by-step guide to measuring a sweatshirt flat (chest, length, shoulder, sleeve, cuff, hem and neck) in both inches and centimeters for accurate listings.
Alize Mendez
June 13, 2026
Guides
How to Measure a Swimsuit?
A step-by-step guide to measuring a swimsuit flat: the five key measurements, how to read the tag, and the mistakes that cause returns.
Sophie Clipton
June 13, 2026
Guides
How to Measure a T-Shirt?
A flat-measurement guide to a t-shirt's chest, length, shoulder, sleeve and hem, with a size table and the common mistakes that throw numbers off.
Nella Cheng
June 13, 2026
Guides
How to Measure Jeans?
A step-by-step guide to measuring jeans flat across eight points, with doubled inch and cm readings, a numbered diagram, brand size-chart references.
Nella Cheng
June 13, 2026
Guides
How to Measure Shorts?
A practical guide to measuring shorts flat across seven points, with a tag-equivalence table backed by ISO and ASTM body-measurement standards.
Alize Mendez
June 13, 2026
Selling Tips
Poshmark vs. Mercari: A Comprehensive Comparison of Top Reselling Platforms
Poshmark and Mercari both charge a 10% to 20% seller fee in the U.S. as of 2026. A side-by-side breakdown of the real fee math, shipping ($6.49 on Poshmark via USPS Ground Advantage vs Mercari's carrier labels), audience fit, and which platform to choose, with every figure tied to a dated primary source.
Alize Mendez
June 13, 2026
Selling Tips
SEO for Your Ebay Store?
eBay SEO in 2026: how Cassini ranks listings, a Cassini vs Google factor table, Item Specifics by category.
Nella Cheng
June 13, 2026
Guides
The Complete Guide to Selling on Poshmark: Tips and Tricks for Success
A workflow for Poshmark in 2026: how fees work, how to set up listings, the flat measurements that reduce returns, what sells fastest, and how to run a closet like a business. Includes a measurement diagram, a measurement-rich vs tagless comparison, and cited Poshmark fee and policy sources.
Alize Mendez
June 13, 2026
Selling Tips
The Complete Guide to Successfully Selling Vintage Clothing Online
A practical guide to selling vintage clothing online: sourcing, dating pieces, measuring, photographing, choosing platforms, and cutting fit-related returns.
Alize Mendez
June 13, 2026
Buying Tips
Understanding Men's Ring Sizes: A Comprehensive Ring Size Chart
The average men's ring size is a US 9 to 10, about 59.5 to 62.1 mm around the finger. Here is the full size chart, a printable sizer diagram, and a step-by-step at-home method to measure your ring size without a jeweler.
Alize Mendez
June 13, 2026
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