Activewear Size Chart
The right fit makes all the difference during a workout. Too tight and your movement is restricted; too loose and the fabric bunches or chafes. Use our size charts for men’s and women’s activewear from S through 3XL to find your ideal athletic fit.
Women’s Activewear Size Chart
Covers leggings, sports bras, tank tops, jackets, and other athletic apparel. Measurements are body measurements, not garment measurements.
Quick Converter
| Size | US Numeric | Chest (in) | Waist (in) | Hip (in) |
|---|---|---|---|---|
| XS | 0-2 | 31-33 | 24-25 | 34-36 |
| S | 4-6 | 33-35 | 26-27 | 36-38 |
| M | 8-10 | 35-37 | 28-30 | 38-40 |
| L | 12-14 | 38-40 | 31-33 | 41-43 |
| XL | 16-18 | 41-43 | 34-36 | 44-46 |
| 2XL | 20-22 | 44-46 | 37-40 | 47-49 |
| 3XL | 24-26 | 47-50 | 41-44 | 50-53 |
Click any row to highlight it. Sizes are approximate and may vary by brand.
Men’s Activewear Size Chart
Covers performance tees, shorts, joggers, hoodies, and compression gear. Chest measurement is the primary driver for tops; waist for bottoms.
Quick Converter
| Size | US Numeric | Chest (in) | Waist (in) | Hip (in) |
|---|---|---|---|---|
| S | 34-36 | 34-36 | 28-30 | 35-37 |
| M | 38-40 | 38-40 | 31-33 | 38-40 |
| L | 42-44 | 42-44 | 34-36 | 41-43 |
| XL | 46-48 | 46-48 | 37-40 | 44-46 |
| 2XL | 50-52 | 50-52 | 41-44 | 47-49 |
| 3XL | 54-56 | 54-56 | 45-48 | 50-52 |
Click any row to highlight it. Sizes are approximate and may vary by brand.
How to Measure for Activewear
Chest
Measure around the fullest part of your chest, under your arms. Keep the tape horizontal. For women, measure over a sports bra for the most accurate activewear fit. Breathe normally and do not puff out your chest.
Waist
Measure at your natural waistline, the narrowest point of your torso. For athletic bottoms with an elastic waistband, this determines where the garment will sit comfortably during movement.
Hips
Measure around the widest part of your hips and buttocks. This is critical for leggings, yoga pants, and running shorts. Stand with feet together and keep the tape level all the way around.
Pro tip: Activewear should fit snugly but not restrictively. If you are between sizes, size up for relaxed-fit items (joggers, hoodies) and stay true to size for compression and performance gear.
Frequently Asked Questions
Should activewear fit tight or loose?
It depends on the activity and garment type. Compression leggings, sports bras, and base layers should fit snug to support muscles and wick moisture effectively. Tops, hoodies, and joggers can be more relaxed. If a garment restricts your range of motion or digs into your skin, size up.
Is activewear sizing the same as regular clothing sizing?
Most major activewear brands (Nike, Adidas, Lululemon, Under Armour) follow standard S-XL sizing that aligns closely with everyday clothing. However, compression-fit items may feel tighter than your regular size, and some brands run small. Always check the brand-specific chart.
How do I choose between sizes for different body proportions?
If your chest and waist measurements point to different sizes, go with the larger size for tops. For bottoms, prioritize your hip measurement for leggings and your waist measurement for shorts and joggers. Many athletic brands now offer tall and petite inseams for a more customized fit.
Does activewear stretch out over time?
Performance fabrics with elastane or spandex blends are engineered to retain their shape. However, frequent high-heat washing and drying can degrade elasticity over time. Wash in cold water and hang dry to maintain the fit and compression of your activewear.
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