Keely Hodgkinson's 'Sexy' Nike Catsuit Helped Her Run Despite a Swollen Knee

British Olympic champion Keely Hodgkinson has sparked conversation about athletic fashion after debuting a striking black, hooded Nike speed suit designed to help her run faster. The full-body outfit combines a sleek silhouette with specialised features intended to reduce air resistance, improve mobility and keep distractions to a minimum.
Hodgkinson wore the suit at the all-female Athlos event in London on 18 September, where she won the 800-metre race in 1:56.40. Developed through a collaboration with Nike's innovation team, the bespoke design has drawn attention to a broader question in sports science: can what an athlete wears meaningfully influence performance?
How Aerodynamics Can Influence Running Speed
Nike says Hodgkinson's speed suit was engineered to reduce aerodynamic drag, the force that resists an athlete's movement through the air. Although air resistance is generally more significant at higher speeds, it can still influence performance in middle-distance events, where athletes must balance speed with endurance.
The suit uses a close fit, minimal seams and specialised three-dimensional features called vortex generators. According to Nike, these structures are designed to influence airflow around the athlete's body and reduce the turbulent wake that contributes to drag.
The suit also features an opening for Hodgkinson's ponytail, while an articulated panel behind the knee is designed to allow the fabric to lie smoothly as she bends it during running. Nike says these details were developed around Hodgkinson's stride and the physical demands of the 800-metre event.
However, the brand's claims about the suit's aerodynamic advantages should not be confused with independent evidence that it improves race times. Establishing a meaningful benefit requires testing under controlled conditions and comparing performance with appropriate alternatives.
Can Compression Clothing Actually Make Athletes Faster?
Tight-fitting sportswear is often associated with improved circulation, reduced muscle vibration and better athletic performance. However, research suggests that wearing compression clothing does not necessarily translate into faster running.
A systematic review and meta-analysis published in the Journal of Sport and Health Science in 2025 examined 51 studies involving 899 participants. The 33 studies included in the analysis of the primary outcomes found no statistically significant improvement in race times or time to exhaustion among runners wearing compression garments compared with control conditions.
Compression garments did reduce soft-tissue vibration, but the review found no consistent performance benefits across the other outcomes examined. The authors also rated the certainty of the evidence as low to very low.
These findings do not establish that Hodgkinson's technologically advanced suit is ineffective. Traditional compression clothing is not identical to a garment incorporating specialised aerodynamic features. Instead, the research highlights why each proposed performance benefit needs to be tested separately rather than assumed from a garment's appearance or construction.
Why Fit and Freedom of Movement Matter
Sportswear must accommodate the body's movements without restricting an athlete's natural mechanics. During an 800-metre race, runners repeatedly flex their hips and knees while coordinating their arms, torso and legs to maintain speed.
Poorly fitting clothing can bunch, shift or feel restrictive, potentially becoming a distraction. A carefully tailored suit may help an athlete feel comfortable and move freely, although the extent to which this translates into measurable performance gains will vary.
Nike says the suit's open-back construction and strategically placed openings are intended to support comfort and heat regulation.
Thermoregulation matters during strenuous exercise because the body produces heat as muscles work. Clothing that limits heat loss or traps moisture can make exercise less comfortable, particularly in hot and humid conditions. A garment's suitability therefore depends not only on aerodynamics but also on ventilation, temperature management and the athlete's preferences.
What the Suit Means for the Future of Sportswear
Hodgkinson has described the suit as comfortable and said she wanted a design that made her feel confident. Her comments highlight another consideration in sport: athletes may value clothing for psychological reasons as well as its technical features.
Nevertheless, confidence and comfort are different from a proven physiological advantage. Researchers would need to establish whether the suit produces a measurable improvement in speed, running economy or race performance before its benefits could be quantified.
The outfit also raises practical questions about the future of elite sportswear. LADbible reported that Hodgkinson is unlikely to wear the Nike design as part of Team GB at the 2028 Los Angeles Olympics because of the British Olympic Association's long-standing partnership with Adidas. The report frames this as a sponsorship issue, not a medical or performance-related ban.
Hodgkinson's speed suit illustrates how sportswear design is increasingly shaped by aerodynamics, biomechanics and athlete-specific tailoring. While these innovations may help manufacturers refine how clothing fits and interacts with airflow, their real-world benefits must be established through independent testing.
For now, fit, comfort and freedom of movement matter, but no garment can replace the training, conditioning and race strategy required to compete at the highest level.