Phia Contrast Backless Tank

Name: Phia Contrast Backless Tank
Brand: GymBum UK
SKU: 14:771#Black;5:100014064
Price: 28.99 GBP
Availability: InStock

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GymBum UK Size Guide

GYMBUM UK®

Size Guide

1️⃣ Women – Sports Bras

Measure Yourself

For accurate sizing, keep the tape measure level and parallel to the ground.

Bust
Measure around the fullest part of your chest.

Underbust
Measure directly under your bust where the bra band sits.

Body Measurements (Inches)

Size	Bust	Underbust
XS	33–34"	27–28"
S	34–36"	28–30"
M	36–38"	30–32"
L	38–40"	32–34"
XL	40–43"	34–36"
2XL	43–46"	36–39"
3XL	46–49"	39–42"

Between sizes?
Size up for a more comfortable fit.
Size down for a more compressive performance fit.

2️⃣ Women – Tops & T-Shirts

Body Measurements (Inches)

UK Size	Bust	Waist
4–6	31–33"	24–26"
8–10	33–36"	26–28"
12–14	36–40"	28–32"
16	40–43"	32–34"
18	43–46"	34–37"

3️⃣ Women – Leggings & Shorts

Body Measurements (Inches)

UK Size	Waist	Hips
4–6	24–26"	34–36"
8–10	26–28"	36–38"
12–14	28–32"	38–42"
16	32–34"	42–44"
18	34–37"	44–46"

4️⃣ Men – Tops & Hoodies

Size	Chest	Waist
S	36–38"	30"
M	38–40"	32–34"
L	42–44"	36"
XL	46–48"	38"
XXL	50–52"	40–42"

5️⃣ Men – Shorts & Joggers

Size	Waist
S	30"
M	32–34"
L	36"
XL	38"
XXL	40–42"

Fit & Sizing Notes

Some styles follow Asian sizing and may run 1–2 sizes smaller than standard UK sizing.
Refer to each product description for specific fit details.
Measurements may vary slightly depending on fabric and cut.

The Phia Contrast Backless Tank exemplifies contemporary activewear design for those with refined taste and confidence. Featuring a striking backless silhouette, this knitted tank showcases an open back that makes a bold statement while maintaining structural integrity through quality construction. The cropped length and minimalist aesthetic create a modern profile that complements both athletic and casual ensembles with equal ease. Crafted for durability and comfort, the tank's versatile design transitions seamlessly from intense training sessions to post-workout occasions. An ideal choice for individuals who appreciate understated elegance and aren't afraid to embrace fashion-forward activewear.

All Phia leggings are finished with subtle branded detailing on the garment.

New Fit & Size Guide

Fit Update: We’ve updated our sizing to match standard UK fits. Please select your usual UK size.

Tag Information: The size printed on the garment label will show our international manufacturer size.
For example, if you order a UK Large, the label will read XL — this is normal and correct.

Fit Style: This item is designed for a sleek, athletic fit.
If you prefer a more relaxed, everyday feel, we recommend sizing up.

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Phia Contrast Backless Tank