GUK Navy Performance Tee

Name: GUK Navy Performance Tee
Brand: Gymbum UK
SKU: 8484581_17532
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 GUK Navy Performance Tee is your go-to piece for looking sharp while performing at your best. Built from 100% breathable polyester mesh, this unisex sports jersey keeps you ventilated and comfortable whether you're powering through a workout or keeping it chill. The relaxed fit and extended length deliver the coverage you want, paired with a reinforced collar binding that keeps everything looking fresh and polished. Designed with performance in mind, this tee features side-seamed construction for a structured yet comfortable fit, short raglan sleeves for unrestricted movement, and lightweight 4.13 oz./yd² fabric that won't hold you back. The elastic, durable material bounces back with you, making it perfect for everything from gym sessions to everyday wear. Plus, here's something special—your GUK Navy Performance Tee is made to order just for you. This means we craft it after you order, reducing waste and overproduction. It takes a little longer to reach you, but you're supporting smarter, more sustainable fashion. Thank you for choosing thoughtfully!

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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GUK Navy Performance Tee