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 |
