HomeGuidesLitbuy Size Guide: How to Measure and Avoid Sizing Mistakes
Shopping

Litbuy Size Guide: How to Measure and Avoid Sizing Mistakes

8 min readJune 1, 2026
Litbuy Size Guide: How to Measure and Avoid Sizing Mistakes

The complete Litbuy sizing guide for every category. Learn how to measure your body, read factory size charts, and avoid the most common sizing errors.

Sizing errors are the single most common reason for buyer dissatisfaction on Litbuy. The good news is that they are almost entirely avoidable. This comprehensive size guide covers how to measure your body correctly, how to read factory size charts, category-specific sizing advice, and the most common mistakes buyers make. Follow this guide and you will dramatically increase your chances of getting the right fit on your first order.

Why Sizing Errors Happen on Litbuy

Sizing errors happen for three main reasons. First, factory size charts differ from standard US, UK, and EU sizing. A "Large" from one factory may be equivalent to a "Medium" from another. The numeric measurements are what matter, not the size label. Second, buyers often order based on their usual size without checking the chart. This is the most common mistake. Your usual size in one brand does not translate directly to Litbuy factory sizing. Third, body measurements and garment measurements are different. The size chart shows the garment's dimensions, not the body dimensions it is designed to fit.

How to Measure Your Body Correctly

Accurate measurements are the foundation of correct sizing. You need a flexible measuring tape. If you do not have one, they cost a few dollars and are essential for Litbuy buying. Measure in centimeters, not inches. Factory size charts use centimeters, and converting between units introduces errors.

Chest / Bust: Measure around the fullest part of your chest, keeping the tape horizontal and snug but not tight. This is the most important measurement for tops, hoodies, and jackets.

Shoulder Width: Measure from the edge of one shoulder to the edge of the other, across your upper back. This determines how a garment will sit on your frame.

Waist: Measure around your natural waistline, which is the narrowest part of your torso. This is the most important measurement for pants and shorts.

Hips: Measure around the fullest part of your hips. This matters for pants, shorts, and fitted styles.

Inseam: Measure from the crotch to the ankle along the inside of your leg. This is the key length measurement for pants and shorts.

Outseam: Measure from the waistband to the ankle along the outside of your leg. This gives you the total length of pants.

Foot Length: Measure from the heel to the tip of your longest toe. Do this while standing, as your foot spreads under body weight. This is the most important measurement for shoes.

Head Circumference: Measure around the widest part of your head, above the ears. This is essential for fitted caps and hats.

How to Read Factory Size Charts

Factory size charts are your most important tool. They show the garment's actual measurements, not the body size they are designed to fit. To find your correct size, compare your body measurements to the chart with the following rules.

For fitted tops, add 2-4 centimeters to your chest measurement. This gives you the garment chest measurement you need. For relaxed or oversized tops, add 6-12 centimeters. For hoodies and sweaters, add 4-8 centimeters for a standard fit, or 10-16 centimeters for an oversized fit.

For pants, compare your waist and inseam measurements directly. The waistband should match your waist measurement plus 2-4 centimeters for comfort. The inseam should match your inseam measurement or be slightly longer if you plan to cuff or alter.

For shoes, compare your foot length in centimeters to the insole length on the chart. The insole should be 0.5-1 centimeter longer than your foot for a comfortable fit. If you have wide feet, check if the chart lists width measurements.

Category-Specific Sizing Advice

Shoes: Always measure your foot length while standing. Compare it to the insole length on the factory chart, not the size label. Different factories use different lasts, so a size 42 from one factory may fit differently than a size 42 from another. If you have wide feet, look for factories that offer wide sizing or size up by half a size.

T-Shirts: The most forgiving category. For a standard fit, add 4-6 centimeters to your chest measurement. For an oversized fit, add 8-12 centimeters. Length matters for tucking versus untucked styling. Check the shoulder width to ensure the sleeves fall correctly.

Hoodies and Sweaters: These run oversized in most streetwear cuts. For a true oversized fit, order your usual size based on the chart. For a regular fit, size down by one size. Check the sleeve length and hood depth. Shallow hoods look cheap on oversized fits.

Jackets: Jackets run large by design to accommodate layers. For a light jacket over a t-shirt, stay true to the chart. For a winter jacket over a hoodie, size up by one size. Sleeve length and shoulder width are the most critical measurements. Back length determines the silhouette.

Pants and Shorts: The hardest category to fit. Measure your waist at the natural waistline, not where you wear jeans. Check the rise measurement. Low rise looks dated; high rise is current. For shorts, the inseam is the most critical measurement. A 5-inch inseam is modern; 9-inch is classic.

Headwear: For fitted caps, measure your head circumference and match it exactly to the chart. Snapbacks and adjustable caps fit most head sizes. For beanies, check the stretch factor. Bucket hats are the most forgiving.

What to Do When You Are Between Sizes

If your measurements fall between two sizes, the rule depends on the category and your preference. For fitted items, size down if you prefer a snug fit and size up if you prefer a relaxed fit. For shoes, always size up if between sizes. A slightly loose shoe is wearable; a tight shoe is not. For pants, size up if you plan to wear them over layers, and size down for a slim fit. For hoodies and oversized items, size up for a more dramatic silhouette.

Common Sizing Mistakes to Avoid

Ordering based on your usual size without checking the chart is the number one mistake. Your usual size from retail brands does not translate directly to factory sizing.

Ignoring the garment measurement vs body measurement distinction causes many errors. The chart shows the garment's dimensions. You need to add ease to your body measurements to find the right garment size.

Not accounting for shrinkage is a common oversight. Cotton items may shrink 3-5% after the first wash. Wool blends can shrink more. Size up slightly if you are near the upper limit of a size range.

Forgetting about layering causes jacket and hoodie sizing errors. If you plan to wear a hoodie under a jacket, the jacket needs extra room.

Assuming all factories use the same sizing is a dangerous assumption. Always check the chart for the specific factory you are ordering from.

Creating a Personal Sizing Log

Experienced Litbuy buyers keep a personal sizing log. Record your body measurements, the sizes you ordered, the factory codes, and how each item fit. This log becomes invaluable for future orders. You will know exactly what size to order from each factory. Update the log after every order. Note any shrinkage, stretching, or fit changes after washing.

Conclusion

Sizing is the most important skill for successful Litbuy buying. Measure your body accurately in centimeters. Read factory size charts carefully. Add the appropriate ease for each category. Check the specific measurements that matter for your item type. When in doubt, size up rather than down. Keep a sizing log and refine your choices over time. The buyers who master sizing have the best experiences and the fewest returns.

FAQ

Frequently Asked Questions

Common questions about this topic.

Ready to Shop?

Put this guide into practice. Browse the Litbuy Spreadsheet and start building your order.