Confidence in Motion
Altra Volta — Women’s Athleisure
Size Guide
Average measurements across all products per category, derived from our full collection size charts. All values in centimetres, measured flat — one side only, not full circumference.
Tops — bust & length
| Size | Bust (cm) | Length (cm) |
|---|---|---|
| S | 50 | 46 |
| M | 54 | 49 |
| L | 58 | 52 |
| XL | 62 | 55 |
How to measure — tops
Bust
Measure across the fullest part of your chest. Halve the result to compare with our flat measurements.
Length
From the highest shoulder point straight down to the hem.
Tip
If you’re between sizes, size up for a relaxed fit or stay true to size for a second-skin effect.
Leggings — waist & length
| Size | Waist (cm) | Length (cm) |
|---|---|---|
| S | 28 | 84 |
| M | 30 | 86 |
| L | 31 | 87 |
| XL | 33 | 88 |
How to measure — leggings
Waist
Measure around your natural waist — the narrowest point above the hips. Halve the result to compare with our flat measurements.
Length
From the top of the waistband to the ankle hem, measured along the outer leg.
Tip
Our leggings have high compression — if you prefer a looser feel around the waist, size up one.
Skirts — waist & length
| Size | Waist (cm) | Length (cm) |
|---|---|---|
| S | 29 | 37 |
| M | 31 | 37.5 |
| L | 33 | 38.5 |
| XL | 35 | 39 |
How to measure — skirts
Waist
Measure around the narrowest part of your waist. Halve the result to compare with our flat waistband measurement.
Length
From the top of the waistband straight down to the hem.
Tip
Our skirts run true to size. If you have wider hips, size up for a more comfortable fit.
Jumpsuits — bust, waist & length
| Size | Bust (cm) | Waist (cm) | Length (cm) |
|---|---|---|---|
| S | 32–36 | 29–32 | 111 |
| M | 34–38 | 30–34 | 115 |
| L | 36–40 | 33–36 | 117 |
| XL | 38–42 | 35–38 | 119 |
How to measure — jumpsuits
Bust
Measure across the fullest part of your chest. Halve for flat comparison. Choose based on where you fall within the size range.
Waist
Measure around your natural waist. Halve to compare with the flat range values in the table.
Tip
If you’re taller than 1.75 cm, consider sizing up for more length comfort.
Jackets — bust & length
| Size | Bust (cm) | Length (cm) |
|---|---|---|
| S | 62 | 59 |
| M | 65 | 60 |
| L | 65 | 61 |
| XL | 67 | 62 |
Hoodies — one size
| Size | Bust (cm) | Length (cm) |
|---|---|---|
| O/S | 65 | 70 |
Fit guidance — outerwear
Layering fit
Designed to be worn over a sports bra or top. The bust value is the garment measurement — leave 2–4 cm ease above your chest measurement for a comfortable layering fit.
Length
Measured from the top of the shoulder seam to the hem. Cropped styles are shorter by design.
How to measure
All measurements in centimetresBust
Stand straight and wrap a measuring tape around the fullest part of your chest. Keep the tape level and parallel to the floor. Halve the result to compare with our flat garment measurements.
Waist
Measure around the narrowest part of your natural waist — usually just above the belly button. Keep the tape comfortably snug, not tight. Halve the result to compare with our flat waistband measurements.
Length
For tops and jackets: shoulder seam to hem. For bottoms: waistband top to ankle hem. For jumpsuits: shoulder seam to ankle. Always measure along the garment’s outer edge.