GymBumUK 1983 Performance Tee

Name: GymBumUK 1983 Performance Tee
Brand: Gymbum UK
SKU: 2557144_17527
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.

Rock retro vibes with the GymBumUK 1983 Performance Tee—a throwback essential for modern athletes. Crafted from 100% lightweight polyester, this shirt features advanced QuickDry technology that pulls sweat away fast, keeping you cool and dry through intense workouts and casual adventures alike. The sleek design showcases the iconic 1983 graphic and GymBumUK branding, adding instant style to your activewear rotation. Breathable and durable, it's perfect for gym sessions, running, or everyday wear. Whether you're crushing it at the gym or just hanging out, this versatile unisex tee delivers comfort, performance, and undeniable style.

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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GymBumUK 1983 Performance Tee