Collection: Shop All ALPHX Styles – Modern, Comfortable Men's Underwear & More
The Perfect Fit: ALPHX Underwear Tailored for Comfort
At ALPHX, we believe comfort starts with the perfect fit. That’s why we offer two exclusive leg widths—Modern for slim to average thighs and Athletic for muscular legs—so you get underwear that moves with you, not against you.
Premium Men's Underwear for Every Body Type
Our collection includes premium briefs, trunks, boxer briefs, and lounge pants, all made with a soft, breathable, eco-friendly blend of cotton and modal. Designed for all-day comfort and timeless style, ALPHX underwear keeps you looking and feeling your best.
Sustainable & Stylish: Eco-Friendly Men's Underwear
Plus, enjoy free U.S. shipping on orders over $75.00 in minimal, biodegradable packaging.
Sign up for our newsletter and get 20% off your first order!
31 products
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ALPHX Athletic Fit Union Pants Midnight Black: Room to Move, Comfort to LastVendor:ALPHX Athletic Fit Union Pants Midnight Black: Room to Move, Comfort to LastALPHX- Regular price
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$60.00 - Regular price
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$60.00
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ALPHX Union Pants – Midnight Black Modern Fit for a Sleek, Bulk-Free FeelVendor:ALPHX Union Pants – Midnight Black Modern Fit for a Sleek, Bulk-Free FeelALPHX- Regular price
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$60.00 - Regular price
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$60.00
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ALPHX Athletic Fit Trunks –Frost White Support & Comfort RedefinedVendor:ALPHX Athletic Fit Trunks –Frost White Support & Comfort RedefinedALPHX- Regular price
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$34.00 - Regular price
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$34.00
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ALPHX Union Pants – Moss Green Modern Fit for a Sleek, Bulk-Free FeelVendor:ALPHX Union Pants – Moss Green Modern Fit for a Sleek, Bulk-Free FeelALPHX- Regular price
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$60.00 - Regular price
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$60.00
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ALPHX Athletic Fit Union Pants Frost White: Room to Move, Comfort to LastVendor:ALPHX Athletic Fit Union Pants Frost White: Room to Move, Comfort to LastALPHX- Regular price
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$60.00 - Regular price
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- Sale price
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$60.00
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ALPHX Athletic Fit Trunks – Glacier Blue Support & Comfort RedefinedVendor:ALPHX Athletic Fit Trunks – Glacier Blue Support & Comfort RedefinedALPHX- Regular price
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$34.00 - Regular price
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$34.00
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ALPHX Union Pants – Frost White Modern Fit for a Sleek, Bulk-Free FeelVendor:ALPHX Union Pants – Frost White Modern Fit for a Sleek, Bulk-Free FeelALPHX- Regular price
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$60.00 - Regular price
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- Sale price
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$60.00
Quick view
FAQs ALPHX underwear
What makes ALPHX underwear different?
ALPHX underwear is engineered for the perfect fit, offering two exclusive leg widths—Modern for slim to average thighs and Athletic for muscular legs. Allowing you to pair your waist size with your leg fit creates a more personal fit and therefore a better fit. This ensures superior comfort without compromise.
What styles of underwear does ALPHX offer?
We offer premium briefs, trunks, boxer briefs, and lounge pants, all crafted from a soft, breathable, and eco-friendly blend of cotton and modal for all-day comfort.
Does ALPHX use sustainable materials?
Absolutely. ALPHX underwear is crafted with a blend of 94% plant-based fibers, and we ship in minimal, biodegradable packaging to reduce waste.
Do you offer free shipping?
Yes! We offer free U.S. shipping on all orders above $75.00 and we ship for $5.00 on orders below $75 so you can enjoy premium comfort without a lot of extra costs.
Can I get a discount on my first order?
Yes! New customers who sign up to receive our newsletter will receive 20% off their first order—We promise not to inundate your inbox and you can cancel at any time.