GymBumUK Men's Black Baselayer

Name: GymBumUK Men's Black Baselayer
Brand: Gymbum UK
SKU: 5187345_9144
Price: 29.99 GBP
Availability: InStock

Engineered with purpose. Worn with confidence

£29.99 GBP

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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.

Unleash your potential in the GymBumUK Men's Black Baselayer—leggings built for athletes who demand excellence. Advanced moisture-wicking technology pulls sweat away, keeping you cool and confident through grueling gym sessions, outdoor runs, beach days, and everything in between. The stretchy, form-fitting design hugs your body while allowing complete freedom of movement, so nothing holds you back. From MMA training to yoga flows to everyday adventures, these leggings adapt to your lifestyle with ease. Durable, stylish, and engineered for performance—they're the reliable foundation every active man needs.yle.

Size guide

	WAIST (inches)	HIPS (inches)
XS	29 ⅞	37
S	31 ½	38 ⅝
M	33 ⅛	40 ⅛
L	36 ¼	43 ¼
XL	39 ⅜	46 ½
2XL	42 ½	49 ⅝
3XL	45 ⅝	52 ¾

	WAIST (cm)	HIPS (cm)
XS	76	94
S	80	98
M	84	102
L	92	110
XL	100	118
2XL	108	126
3XL	116	134

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GymBumUK Men's Black Baselayer