How to Measure Bust, Waist, and Hips: An Accurate Activewear Size Guide

Learn how to measure bust, waist, and hips accurately for activewear, match body measurements to size charts, and avoid common fit mistakes.

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Maternity Activewear Design: Belly Support, Stretch & Fabric Guide

Designing maternity activewear takes low-stretch belly panels, warp and weft recovery data, and pregnancy-stage fit testing. Here is how to spec it before bulk.

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Points of Measure (POM): Activewear Size Chart Guide

Learn how points of measure (POM) define activewear sizing: core leggings POM points, negative ease, grading, and fit modeling before bulk production.

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Sports Bra Size Matrix: How Band and Cup Size Stop Gaping and Uni-Boob

Learn how a sports bra size matrix pairs band size with cup volume to stop gaping cups and uni-boob spillage. Grading and fit checks for activewear brands.

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Asian Fit vs. Western Fit: How Body Differences Shape Leggings Design

Compare Asian fit vs Western fit for leggings: crotch depth, inseam, and hip-waist differences. Adapt patterns for your market with SANSANSUN.

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What Poor Fit Returns Teach Growing Activewear Brands About Sizing and Fabric

Review return data by size, style, fabric, and region to fix fit problems. Learn how grading, size charts, and fabric recovery reduce poor-fit returns.

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