ALPHX Trunks – Athletic Fit for Muscular Thighs - ALPHX.com

ALPHX Athletic Fit Men’s Trunks – Built for Strength & Comfort

Trunks Designed for Muscular Thighs

ALPHX Athletic Fit Trunks are built for stronger legs and real muscle. Designed with extra legroom, stay-put support, and breathable comfort, these trunks deliver the fit and performance athletic bodies need—without compromise.

No Ride-Up. No Restriction. All-Day Comfort.

  • Extra Room for Athletic Thighs: Wider leg openings and stretch fabric eliminate squeezing and rolling.
  • Secure Fit That Moves With You: Contoured pouch, low-rise waistband, and stay-put legs for locked-in comfort.
  • Soft, Breathable Fabric Blend: Premium cotton–modal–elastane keeps you cool, dry, and chafe-free.

Strength Meets Flexibility

From gym sessions to daily grind, ALPHX Athletic Fit Trunks support your movement and your build—every step of the way.

Redefine Your Fit

Stop settling for tight, restrictive underwear. These trunks are made for men with muscle—comfort, style, and power in one perfect pair.
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FAQ's ALPHX Athletic Fit Trunks

What makes ALPHX Athletic Fit Trunks different?

Our Athletic Fit Trunks are designed specifically for men with larger or muscular thighs, offering 1.6 inches of extra legroom compared to our Modern Trunks. They provide a secure fit without restriction, ensuring all-day comfort and mobility.

Do ALPHX Athletic Fit Trunks ride up?

No! Our trunks are engineered with a stay-put design that prevents ride-up, even during intense activity. The fabric moves with you, delivering chafe-free, all-day comfort.

What sizes are available for ALPHX Athletic Fit Trunks?

Our Athletic Fit Trunks are available in sizes S-XL, maintaining the same contemporary fit as our Modern Trunks while offering more space in the thighs.