Quick Answer

To prevent chafing during workouts, focus on three things: wear moisture-wicking, compressive activewear that stays in place, apply anti-chafe balm to high-friction areas, and choose seamless or flat-seam designs. Start with well-fitted gear like a supportive sports bra and high-rise leggings, and stop your workout if you feel a hot spot developing.

Chafing can turn a great workout into an uncomfortable experience. That burning sensation on your thighs, underarms, or along your bra line is caused by repeated friction and moisture. The good news is that with the right strategies and activewear, you can prevent chafing and stay focused on your fitness goals.

In this guide, we'll break down the main causes of workout chafing and offer practical solutions, including what to look for in anti-chafing activewear. We'll also highlight specific products that can help you move comfortably.

Why Chafing Happens During Workouts

Chafing occurs when your skin rubs against clothing or itself, especially when moisture from sweat is present. This friction irritates the top layer of skin, leading to redness, rawness, and sometimes even blisters. Common areas include the inner thighs, underarms, and where bra straps or waistbands sit.

Certain factors increase your risk: high-intensity activities like running or cycling, hot and humid weather, and wearing loose or ill-fitting clothing that shifts as you move. Fabrics that don't wick moisture away can also make things worse by keeping sweat against your skin.

  • Wear moisture-wicking fabrics to keep skin dry.
  • Choose compression-fit pieces that stay in place.
  • Apply anti-chafe balm to prone areas before you start.

How to Choose Anti-Chafing Activewear

The right activewear can make a huge difference. Look for pieces made from compressive, moisture-wicking materials that hug your body without restricting movement. Seamless designs or flat seams reduce friction points, while longer lengths and high rises provide extra coverage where chafing often occurs.

When trying on sports bras, pay attention to the band and straps. A supportive band that doesn't dig in and straps that stay put without slipping can prevent bra-line chafing. For bottoms, consider bike shorts or leggings with a high rise to avoid waistband irritation and provide thigh coverage.

  • Check that seams lie flat against your skin.
  • Opt for adjustable features like straps or waistbands.
  • Test the fit by moving around to ensure nothing shifts.

Practical Tips to Prevent Chafing

Beyond choosing the right gear, there are simple habits that can help. Always apply an anti-chafe balm or petroleum jelly to areas prone to friction before you work out. Stay hydrated, as well-hydrated skin is less prone to irritation. And after your workout, change out of sweaty clothes promptly and cleanse your skin gently.

If you feel a hot spot during exercise, don't ignore it. Stop and apply a protective barrier or adjust your clothing. Continuing to push through can turn a minor irritation into a painful sore that sidelines you for days.

  • Apply anti-chafe balm before dressing.
  • Keep a small tube in your gym bag for reapplication.
  • Wash new activewear before wearing to soften fabrics.

Diagnosis: Identify and Fix Your Chafing

  • Symptom: Burning or raw skin on inner thighs, underarms, or along bra line after exercise. Recognize the early signs to act before it worsens.
  • Likely Cause: Friction from clothing seams, straps, or skin-on-skin contact, exacerbated by sweat and ill-fitting gear. Identify the specific area and what clothing may be causing it.
  • Corrective Action: Switch to moisture-wicking, compressive activewear with flat seams; apply anti-chafe balm; and ensure proper fit. Choose gear that stays put and covers prone areas.
  • When to Stop or Choose Another Option: If chafing persists despite these measures, or if you develop blisters or open sores, stop exercising and consult a dermatologist. Consider trying different styles or brands that better suit your body. Persistent chafing is a sign to reassess your gear and skin care routine.

Product Solutions That Help

  • Skyline Paloma Racerback Bra: The Skyline Paloma Racerback Bra is our #1 best-selling bra, designed with a racerback, long-line silhouette, and a supportive band that never lets you down. Available in sizes XXS to 6XL, this medium-support sports bra offers a comfortable fit for your everyday workouts. The racerback design keeps straps from slipping, and the long-line silhouette provides extra coverage, reducing the risk of chafing along the band area.
  • Skyline High-Rise Pocket Bike Short: These compressive bike shorts feature a high rise and an 8.5-inch inseam, plus pockets for your essentials. The compressive fabric supports you during workouts, and sizes range from XXS to 6XL. The longer inseam and high rise help prevent thigh chafing, while the compressive fabric stays in place so you can move without friction.
  • Dragonfruit Foldover Legging: The Dragonfruit Foldover Legging is a compressive style designed to support your workout. It features a foldover waistband for adjustable coverage and is available in 23.75-inch and 28-inch inseams, sizes XXS to 6XL. The foldover waistband lets you adjust the rise to avoid pressure points, and the longer inseam options provide coverage to prevent chafing.

Preventing chafing is about being proactive. By choosing the right activewear, preparing your skin, and listening to your body, you can enjoy comfortable, chafe-free workouts. Start with these tips and adjust based on what works for you.