GymBum UK Blue Steel Combat Rash Guard

Name: GymBum UK Blue Steel Combat Rash Guard
Brand: GymBum UK
SKU: 1233928_21458
Price: 49.99 GBP
Availability: InStock

Engineered with purpose. Worn with confidence

£49.99 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.

Why You’ll Love It

Built for Combat Training
Designed to perform through grappling, striking, and high-intensity conditioning sessions.

Locked-In Compression Fit
Athletic compression supports muscle engagement while allowing complete freedom of movement.

Moisture-Wicking Performance Fabric
Advanced sweat control helps keep you cool, dry, and focused during demanding workouts.

Four-Way Stretch Mobility
Flexible performance fabric moves naturally with your body through takedowns, scrambles, and explosive drills.

Durable Flatlock Construction
Flatlock seams reduce friction and irritation while strengthening the garment for repeated mat sessions.

Built For

The GymBum UK Blue Steel Combat™ Rash Guard is designed for athletes pushing through demanding training environments.

Perfect for:

🥋 Brazilian Jiu-Jitsu (BJJ) – Built to handle grappling and mat contact
🥊 Mixed Martial Arts (MMA) – Ideal for striking drills, sparring, and conditioning work
🏋️ Strength & Conditioning – Durable compression fit for intense gym sessions
🌊 Cold Water & Outdoor Training – Performance fabric helps maintain comfort in demanding environments

Performance Engineering

Every detail of the Blue Steel Combat™ Rash Guard is engineered for athletes who train with purpose. The recycled performance fabric delivers durability and flexibility, while the compression-style cut supports natural movement during high-output training. Flatlock seams reduce irritation and reinforce durability, helping the garment maintain its structure through repeated sessions.

Built for impact. Designed to endure.

GymBum UK Blue Steel Combat™ Rash Guard

Built for impact. Engineered to endure.

The Blue Steel Combat™ Rash Guard is designed for fighters, lifters, and disciplined athletes who demand uncompromising performance. Constructed from premium recycled performance fabric, it delivers advanced moisture control, four-way stretch mobility, and a locked-in athletic fit that moves seamlessly through every grapple, strike, and conditioning round.

Flatlock seams minimise friction under pressure while reinforcing durability for repeated mat sessions and heavy training cycles. The compression-style cut supports muscle engagement without restricting movement, maintaining structure and shape through the toughest sessions.

From combat sports to strength training and cold-water sessions, Blue Steel performs without distraction.

Not just training wear — performance armour.

Performance Features

88% recycled polyester, 12% elastane (EU production)
81% recycled polyester, 19% spandex (US/MX production)
Fabric weight: 230 g/m² (EU)
Fabric weight: 255 g/m² (US/MX)
Advanced moisture-wicking performance fabric
Four-way stretch for unrestricted movement
Athletic fitted cut
Flatlock seams for durability and comfort
UPF 50+ sun protection
Premium performance construction
Certified recycled content under GRS (Global Recycled Standard)
OEKO-TEX® 100 certified fabric

Age restriction: For adults

EU Warranty: 2 years

In compliance with the General Product Safety Regulation (GPSR), GYMBUMUK LTD ensures all consumer products meet EU safety standards.
For product safety enquiries, contact: Support@gymbumuk.com

Size guide

	CHEST (inches)	WAIST (inches)	HIPS (inches)
2XS	34 ⅝	28 ⅜	35 ⅜
XS	36 ¼	29 ⅞	37
S	37 ¾	31 ½	38 ⅝
M	39 ⅜	33 ⅛	40 ⅛
L	42 ½	36 ¼	43 ¼
XL	45 ⅝	39 ⅜	46 ½
2XL	48 ⅞	42 ½	49 ⅝
3XL	52	45 ⅝	52 ¾
4XL	55 ⅛	48 ⅞	55 ⅞
5XL	58 ¼	52	59
6XL	61 ⅜	55 ⅛	62 ¼

	CHEST (cm)	WAIST (cm)	HIPS (cm)
2XS	88	72	90
XS	92	76	94
S	96	80	98
M	100	84	102
L	108	92	110
XL	116	100	118
2XL	124	108	126
3XL	132	116	134
4XL	140	124	142
5XL	148	132	150
6XL	156	140	158

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GymBum UK Blue Steel Combat Rash Guard