Sumptuous Sweatpants for Under $20, and 25 More Smackin' Menswear Deals to Shop This Weekend

Each week, GQ utilizes the latest in deal-identifying technology—i.e. a couple of our staffers spend most of the day shopping online—to uncover all the wildest markdowns on wardrobe-boosting buys from the

best men's clothing sales on the internet. This week, we've wrangled together some killer '90s shades, a pair of next-level loafers, an office-ready button up and 23 more deals that are sure to sell out before you know it. Plus, don’t forget to peep all our favorite sitewide sales below.

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Levi's: Save up to 40% off for the Levi's Labor Day event (limited time only)

Theory: Get up to 60% off Theory's End of Season sale (limited time only)

J.Crew: Save an extra 30% off already-reduced items with code SHOPSALE (limited time only)

Todd Snyder: Save up to 50% off sale items (ongoing)

Gap: Extra 40% off sale with code PERK (limited time only)

Backcountry: Save up to 20% off on Backountry in-house labels. (limited time only)

Matchesfashion: Hundreds of designer goods are up to 50% off. (limited time only)

Nike: Save up to 50% off a ton of sneakers, athletic apparel, and more. (limited time only)

Amazon: Daily deals on brands like Adidas, Seiko, Tommy Hilfiger, and more (ongoing)

Ralph Lauren: Save up to 40% off Polo Ralph Lauren, Purple Label, RRL, and more (limited time only)

Rag & Bone: Modern staples for up to 60% off thanks to Rag & Bone's packed sale section (limited time only)

Lululemon: Up to 70% off a wide range of active wear and gear. (limited time only)

End Clothing: Up to 70% off sneakers and clothing, plus free shipping on orders over $200 (ongoing)