mental health awareness

When 64% of UK girls abandon sports before their 16th birthday, the ripple effects extend far beyond empty stadiums and playing fields. This staggering dropout rate represents more than a million teenage girls in the UK who will carry the physical and mental health consequences of inactivity into adulthood—and shockingly, one of the most overlooked culprits is something seemingly simple: what they’re required to wear.

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ASICS, in partnership with Inclusive Sportswear and mental health charity Mind, has revealed the “Undropped Kit,” a groundbreaking reimagination of school PE uniforms designed specifically with teenage girls’ comfort, confidence, and participation in mind. This shift represents more than just athletic wear or style; it addresses a public health crisis hiding in plain sight.

The hidden barrier: how PE kits become a participation killer

The numbers paint an anguished—and preventable—picture. Research commissioned by ASICS revealed that only 12% of UK girls are “completely satisfied” with their current school PE kit, while 70% of girls aged 14-16 said they would be more likely to participate in PE if their kit made them feel more comfortable. Perhaps most telling: only one in four girls aged 11-13 feels confident in their PE kit, a dramatic drop from 65% of girls aged 7-8.

Girl sitting by herself in the gym.CREDIT: ASICS

The specific complaints from girls show a clear picture of systematic design failures. As teenage participants in the research explained, "Our kit is itchy, see-through, and makes you really sweaty.” Others cited concerns about "period leaks showing," "baggy and shapeless" designs that "feel like they were made for boys," and the inability to adjust for different weather conditions or body types.

These aren't superficial concerns—they represent fundamental barriers to participation. The Youth Sport Trust's 2024 Girls Active survey found that 58% of girls want more PE kit options compared to just 29% of boys, highlighting how current uniform policies fail to address gender-specific needs.

Redesigning for real bodies, real concerns

The Undropped Kit represents a radical departure from traditional PE uniforms, incorporating features directly requested by teenage girls during extensive focus groups and testing at Burnley High School—specifically chosen because it's located in one of the UK regions with the lowest PE participation rates, according to Sport England.

The innovative design tackles each barrier systematically. For weather concerns, the kit includes a jacket with a detachable inner liner and padded panels for warmth retention, plus water-repellent fabric and a packable hood for wet conditions. To address comfort concerns, designers incorporated softer, darker, sweat-wicking fabrics that prevent visibility issues while providing better moisture management.

One of the revolutionary Undropped Kit outfits. CREDIT: ASICS

Perhaps most importantly, the kit addresses period-related anxieties—cited as the most significant barrier by 47% of girls aged 11-13 and 52% of girls aged 14-15. The solution includes dark-colored materials with discreet pockets for storing sanitary products, providing both practical storage and psychological comfort.

The versatility component centers on biker shorts as a base layer, which can be worn alone or paired with a detachable skirt or shorts for a stylistic choice between fitted and looser styles. This addresses the frequent complaint that current uniforms offer no accommodation for different body shapes or confidence levels. Small details matter too—the kit even includes an emergency hair tie built into the design.

The dropout crisis: more than just numbers

The scale of girls' disengagement from physical activity represents one of the most significant public health challenges of our time. By age 17-18, a whopping 55% of girls will have disengaged from sports entirely, with 43% of girls who classified themselves as sporty in primary school no longer identifying that way. This compares to just 24% of boys experiencing similar disengagement.

Girls warming up. CREDIT: ASICS

The timing is particularly devastating. Girls drop out at twice the rate of boys by age 14, precisely when the physical and mental health benefits of regular exercise become most crucial for development. The Youth Sport Trust's research reveals a significant decline in enjoyment: 86% of girls aged 7-8 enjoy PE, but this drops to just 56% among girls aged 14-15.

Globally, the crisis is even more stark: 85% of adolescent girls worldwide don't meet World Health Organization physical activity recommendations (an average of 60 minutes per day of moderate-to vigorous-intensity, mostly aerobic, physical activity, across the week), compared to 78% of boys. In England specifically, only 8% of girls are now classified as highly active, a dramatic decrease from 30% in 2017-18.

The intersection of puberty, body image concerns, and inadequate athletic wear creates a perfect storm: 50% of girls feel paralyzed by fear of failure during puberty, while 42% of girls aged 14-16 say their period stops them from taking part in PE. When combined with a kit that makes them feel exposed, uncomfortable, or "different," participation becomes psychologically untenable.

The broader societal stakes

The implications of mass female disengagement from physical activity extend far beyond individual health outcomes. Research from the Women's Sports Foundation demonstrates that girls who play sports experience 1.5 to 2.5 times fewer mental health disorders than girls who never played. Specifically, only 17% of girls who play sports experience moderate to high levels of depression, compared to 29% for girls who never played.

Girls wearing the Undropped Kit.CREDIT: ASICS

The protective effects are comprehensive. Sports participation provides 1.5 times higher scores for peer relationships and 1.5 times higher reported levels of meaning and purpose. These benefits extend across racial, economic, and disability lines, suggesting that sports access could serve as a powerful equalizer during critical developmental years.

The economic implications are equally significant. When girls abandon physical activity during adolescence, they're more likely to develop chronic health conditions, experience mental health challenges, and miss out on the leadership and teamwork skills that sports uniquely provide. Girls active in sports during adolescence and young adulthood are 20% less likely to get breast cancer later in life, while also showing improved academic performance and career outcomes, research shows.

Beyond the kit: systemic change

While the Undropped Kit represents an innovative solution to a specific barrier, ASICS and its partners recognize that sustainable change requires broader systemic intervention. The initiative includes the Inclusive Sportswear Community Platform, which provides schools, teachers, and parents with free access to expert training, toolkits, and guidance developed with the Youth Sport Trust.

The platform advocates for inclusive PE kit policies that prioritize choice and comfort over uniformity. As Tess Howard, founder of Inclusive Sportswear and Team Great Britain hockey player, explains: "A PE kit is the most underrated reason girls drop out of PE, but the good news is we can fix it—and fast. By listening to girls and evolving [sports] kits to support their needs, we can lift this barrier.”

Girls wearing the Undropped Kit. CREDIT: ASICS

The Undropped Kit prototype serves as both a practical solution and a powerful statement: that girls' comfort, confidence, and participation matter enough to reimagine fundamental assumptions about school uniforms completely. While the kit itself isn't available for commercial purchase, its impact lies in demonstrating what becomes possible when design truly centers user needs.

The crisis of girls dropping out of sports isn't inevitable. It's the result of systems, policies, and products that weren't designed with their needs in mind. ASICS' Undropped Kit proves that when we genuinely listen to girls and design for their experiences, we can begin to reverse decades of exclusion and build a generation of confident, active young women.