AquaFlex Performance Tee

Name: AquaFlex Performance Tee
Brand: Gymbum UK
SKU: 9479250_17522
Price: 19.99 GBP
Availability: InStock

Engineered with purpose. Worn with confidence

£19.99 GBP

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Shipped by GymBum UK

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GymBum UK Size Guide

🧡 GymBum UK Sports Bra Size Guide

Size	Chest (inches)	Underbust (inches)
XS	33 ⅛	27 ½
S	34 ⅝	29 ⅛
M	36 ¼	30 ¾
L	39 ⅜	33 ½
XL	42 ½	36 ¼
2XL	45 ⅝	39
3XL	48 ⅞	41 ¾

🧍♀️ Women’s Activewear

UK	US	EU	Asian	Tops / Bras	Leggings / Shorts	Trainers (UK/EU/US)
4–6	0–2	32–34	S	XS	XS	3.5 / 36 / 5
8–10	4–6	36–38	M	S	S	4–5.5 / 37–38 / 6–7.5
12–14	8–10	40–42	L	M	M	6–7.5 / 39–40 / 8–9.5
16	12	44	XL	L	L	8–8.5 / 41–42 / 10–11
18	14	46	XXL	XL	XL	9–9.5 / 43–44 / 11.5–12

🧍♂️ Men’s Activewear

UK	US	EU	Asian	Tops / Hoodies	Shorts / Joggers	Trainers (UK/EU/US)
S	S	46	M	36–38" Chest	30" Waist	6–7 / 39–40 / 7–8
M	M	48–50	L	38–40" Chest	32–34" Waist	8–9 / 41–42 / 9–10
L	L	52	XL	42–44" Chest	36" Waist	10 / 43–44 / 11
XL	XL	54	XXL	46–48" Chest	38" Waist	11 / 45–46 / 12
XXL	XXL	56	3XL	50–52" Chest	40–42" Waist	12–13 / 47–48 / 13–14

🧵 Fit Notes

Asian sizes typically run 1–2 sizes smaller than UK sizing.
For a performance fit, choose your regular UK size.
For a relaxed fit, size up.
Measurements are approximate and may vary slightly by fabric and style.

Fit Tip: Some of our activewear follows Asian sizing (approx. 1–2 sizes smaller than UK). Refer to the GymBum Size Guide for accurate conversions.

The GymbumUK AquaFlex T-Shirt is your new workout essential, designed to keep you cool when things heat up. Crafted from 100% breathable polyester mesh, this unisex performance tee delivers serious ventilation without the serious attitude. Whether you're crushing it at the gym or keeping it casual, the relaxed fit and extended length give you the coverage you need to move freely. Reinforced collar binding means this shirt stays looking sharp through countless washes and workouts. Light, quick-drying, and ready for anything—because your gear should work as hard as you do.

• 100% breathable polyester (mesh)
• Fabric weight: 4.13 oz./yd² (140 g/m²)
• Relaxed fit
• Elastic and durable
• Side-seamed construction
• Extended length
• Short raglan sleeves
• Binding on collar
• Classic round neckline

Size guide

	LENGTH (inches)	CHEST (inches)
S	27 ½	31-34
M	28 ⅜	35-38
L	29 ⅛	39-41
XL	29 ⅞	42-45
2XL	30 ¾	46-48

	LENGTH (cm)	CHEST (cm)
S	70	78.7-86.4
M	72	89-96.5
L	74	99-104.1
XL	76	106.7-114.3
2XL	78	116.8-122

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AquaFlex Performance Tee