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blair rewards club members earn double points 30% off* sitewide plus $5 flat rate shipping promo code: B4KPQ. Ends wednesday, 9/25/23 | *Details

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††Any rewards club member who places a Blair order 9/21/23 thru 9/25/23 will receive double points. SEE FULL REWARDS TERMS AND CONDITIONS.

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Underwear(10)

Men's Underwear


Get comfort when you want it the most with Blair's selection of men's underwear. Whether you are looking for boxers or briefs, an undershirt or even a warm union suit, our selection has something for every man. We even have thermal underwear for the perfect layering pieces during those chilly evenings. Don't forget about our men's knit underwear - so comfortable, it is sure to become a new favorite. Browse our entire collection of men's clothing for more great clothing options.

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**Offer valid on first purchase. New email subscribers only. Free Standard Shipping on orders of $29+. Please check your email for your Welcome Promotion. By providing your email address you agree to receive promotional emails from Blair and agree to the Privacy Policy.

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1-800-458-2000