GymBumUK Jet Black Men's Swim Shorts

Name: GymBumUK Jet Black Men's Swim Shorts
Brand: Gymbum UK
SKU: 4834986_14636
Price: 44.99 GBP
Availability: InStock

Engineered with purpose. Worn with confidence

£44.99 GBP

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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.

Sleek and ready for action, the Jet Black Men's Swim Shorts deliver everything you need for a perfect day in the water. Built from 91% recycled polyester and 9% spandex, these shorts combine sustainability with performance. The four-way stretch microfiber fabric repels water and dries lightning-fast, while the silky anti-chafe mesh liner keeps you feeling great. Smart pocket placement—including mesh pockets and a hidden inside pocket—means your essentials stay secure. Plus, you're covered with UPF 50+ sun protection and an adjustable drawcord waistband for the ideal fit.

Size guide

	WAIST (inches)	HIPS (inches)
2XS	28 ⅜	35 ⅜
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
4XL	48 ⅞	55 ⅞
5XL	52	59
6XL	55 ⅛	62 ¼

	WAIST (cm)	HIPS (cm)
2XS	72	90
XS	76	94
S	80	98
M	84	102
L	92	110
XL	100	118
2XL	108	126
3XL	116	134
4XL	124	142
5XL	132	150
6XL	140	158

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GymBumUK Jet Black Men's Swim Shorts