KEY FEATURES
BONX AeroFlex™ Italian Fabric
Performance begins with exceptional materials.
Crafted from BONX AeroFlex™ Italian Fabric, the Elite Core Crimson Ash combines lightweight comfort, breathability and four-way stretch to deliver unrestricted performance across every discipline.
Constructed from 90% Polyester and 10% Elastane, the fabric offers the ideal balance of durability, flexibility and moisture management. Its race-focused construction contours naturally to the body, providing gentle muscle support while maintaining complete freedom of movement.
Designed to wick moisture efficiently and dry quickly, it helps regulate body temperature so you stay comfortable from the swim start to the finish line.
Fabric Composition
90% Polyester
* Lightweight and breathable
* Moisture-wicking
* Quick-drying
* Excellent colour retention
10% Elastane
* Four-way stretch
* Enhanced flexibility
* Shape retention
* Natural muscle support
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BONX Race Storage System™
Everything you need. Exactly where you need it.
Purpose-built for endurance athletes, the BONX Race Storage System™ features an intelligently designed 7-pocket configuration, providing generous storage without compromising comfort or aerodynamics.
Every pocket is strategically positioned to keep race-day essentials secure, stable and easily accessible throughout the swim, bike and run.
Storage Configuration
* 3 Rear Race Pockets – Nutrition and race essentials
* 1 Side Cargo Pocket – Quick access to energy gels, bars or your smartphone
* 1 Ice Pocket – Designed for additional cooling during hot-weather racing
* 2 Hidden Front Inner Pockets – Secure storage for keys, cards and personal valuables
Perfect for carrying nutrition, hydration tablets, energy gels, mobile devices and other race essentials.
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BONX EnduraPad™ Multisport Chamois
Comfort engineered for every kilometre.
The Elite Core is equipped with the BONX EnduraPad™ Multisport Chamois, developed specifically for the demands of multisport racing.
Its multi-thickness construction combines two engineered foam densities to deliver the ideal balance of flexibility, cushioning and long-distance support.
Chamois Construction
3mm Flexible Comfort Foam (80kg/m³)
* Lightweight cushioning
* Natural flexibility for swimming and running
* Enhanced comfort across all three disciplines
10mm High-Density Support Foam (120kg/m³)
* Targeted pressure relief while cycling
* Superior comfort during extended hours in the saddle
* Long-lasting support for endurance racing
The quick-drying construction minimises water absorption after the swim, helping maintain comfort throughout every stage of the race.
Optimised for
* Ironman®
* Ironman® 70.3
* Olympic Triathlon
* Sprint Triathlon
* Duathlon
* Aquathlon
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BONX AeroFit™ Race Cut
Precision in motion.
Developed using an ergonomic race-specific pattern, the BONX AeroFit™ Race Cut creates a streamlined silhouette that reduces drag while allowing unrestricted movement across swimming, cycling and running.
Precision panel construction ensures a close, performance-oriented fit that remains comfortable during long training sessions and race-day efforts.
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YKK® Full-Length Zipper
Trusted worldwide. Proven on race day.
Every Elite Core trisuit is fitted with a genuine YKK® full-length zipper, recognised globally for its exceptional durability and consistently smooth operation.
Designed for effortless one-handed use, it glides cleanly with minimal resistance while standing up to repeated training sessions, transitions and demanding race conditions.
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Built For Endurance
Every detail of the Elite Core Crimson Ash has been engineered with one objective—to perform when it matters most.
From BONX AeroFlex™ Italian Fabric and the BONX Race Storage System™ to the BONX EnduraPad™ Multisport Chamois, every component works together to deliver lasting comfort, dependable performance and confidence over every kilometre.
FIT GUIDE
Find Your Perfect Fit
Every athlete is built differently, which is why choosing the right size is essential for achieving the best comfort and performance.
The Elite Core features the BONX AeroFit™ Race Cut—a performance-driven silhouette designed to contour naturally to the body for enhanced aerodynamics, muscle support and unrestricted movement across swimming, cycling and running.
Use the reference guide below to help determine your ideal size. Weight should be used as your primary sizing reference, while height serves as a secondary guide to ensure the best overall fit.
Men’s Reference Sizing
Size Recommended Weight Recommended Height
XS 45-55 kg 155-163 cm
S 55-65 kg 162-169 cm
M 65-75 kg 168-174 cm
L 75-85 kg 172-178 cm
XL 85-95 kg 175-182 cm
2XL 85-95 kg 175-182 cm
3XL 95-105 kg 180-188 cm
Woen’s Reference Sizing
Size Recommended Weight Recommended Height
XS 45-55 kg 148-156 cm
S 55-65 kg 155-162 cm
M 65-75 kg 160-167 cm
L 75-85 kg 164-171 cm
XL 85-95 kg 167-174 cm
2XL 85-95 kg 170-177 cm
3XL 95-105 kg 172-180 cm
Atthlete Reference
Use the athlete references below as an additional guide when selecting your size.
Athlete Weight Height Wearing Size
Male Model 70 kg 175 cm M
Female Model 56 kg 165 cm S
Fit Recommendation
* Choose your size primarily based on weight.
* Use height as a secondary reference, especially if you’re between sizes.
* Select your usual size for the intended performance race fit.
* If you prefer a more relaxed fit for training or everyday comfort, consider sizing up.
* If you’re still unsure, our team will be happy to help you find your ideal fit.
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