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That Guy's Secret

"Clothing And Accessories For The Modern Man"

About Us

That Guy's Secret, in LaSalle, IL, is the premier men's clothing store serving Peru, Ottawa, Mendota, Streator, Utica and surrounding areas since 2017. We specialize in custom fit pants and shirts by Stantt. We provide tuxedo and suit rentals and purchases. Be sure to ask us about our customer's favorite brands, Saxx Underwear, Mission Belts and our newly added Tasc Performance Line. For your next shopping trip, visit That Guy's Secret - clothing for the modern man - in LaSalle, IL.

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Areas Served

Batavia, IL | Bloomington, IL | Coal City, IL | DeKalb, IL | Dixon, IL | Dwight, IL | El Paso, IL | Galesburg, IL | Geneva, IL | Kewanee, IL | Ladd, IL | LaSalle, IL | Manlius, IL | Marseilles, IL | Mendota, IL | Morris, IL | Oglesby, IL | Ottawa, IL | Peoria, IL | Peru, IL | Pontiac, IL | Princeton, IL | Rochelle, IL | Sandwich, IL | Sheffield, IL | Spring Valley, IL | St. Charles, IL | Sterling, IL | Streator, IL | Tonica, IL | Utica, IL | Walnut, IL | Wyanet, IL | Yorkville, IL

Our Professional Associations

• Illinois Valley Area Chamber of Commerce
• La Salle Business Association

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What We Offer

Our Specialties include:

• Personal Shopping Subscription Boxes
• Custom Fittings

Our Services include:

• Big and Tall
• Custom Fit Shirts and Pants
• EMS, Fire and Police Custom Orders
• Extended Sizes
• Tuxedo Rentals
• Buy and Sell Gold, Silver, and Platinum
• Earrings
• Watches

Our Brands include:

• 7 Diamonds
• Allure Men Tuxedos
• Alternative Shirts
• American Needle
• Banks Journal
• Ben Sherman
• Blue Q Socks
• Callaway
• Cole Hahn Shoes
• Dakota Grizzly
• Enro
• Florsheim Shoes
• FUN Socks
• Fury Bros. Soap
• Henleys
• Hex Bags
• Ike Bihar Tuxedos
• Kenneth Cole Tuxedos
• Knockaround Sunglasses
• Liverpool Pants
• Mavi Jeans
• Michael Kors Tuxedos
• Mission Belt
• People Footwear
• Perry Ellis Pants
• Psycho Bunny
• Retro Brand Graphic T-shirts
• Rip Stop Pants
• Roamers
• Savane Pants
• Saxx Underwear
• Shottbros Sweaters
• Sock It To Me
• St. James of London Cologne
• Stantt
• Taclite Pants
• Tallia Orange
• Tasc Performance Line
• The Ridge Wallets

Our Products include:

• Accessories
• Backpacks and Bookbags
• Baseball Hats
• Beanies
• Belts
• Blazers
• Boxer Briefs
• Casual Pants
• Chinos Pants
• Chains
• Coffee
• Cologne
• Dress Shirts
• Dress Shoes
• Flannels
• Golf Attire
• Jackets
• Jeans
• Overcoats
• Polos
• Pullovers
• Scarves
• Shave Kits and Shave Cream
• Shorts
• Sleepwear
• Slip-On Shoes
• Soap
• Socks
• Sports Jackets
• Suits
• Sunglasses
• Sweaters
• Sweatpants and Joggers
• T-shirts and Graphic T-shirts
• Ties and Tie Clips
• Tuxedoes
• Vests
• Wallets
• Zip-up Sweatshirts and Hoodies

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Testimonials

On 6/9/2025 Jeff Ballard had this to say:
Great selection & the staff was very helpful

On 6/3/2025 Kurt Larson had this to say:
The personal attention was great. Excellent quality clothing.

On 6/1/2025 Conor Matheson had this to say:
Excellent customer service! Can’t recommend enough

On 5/27/2025 Terry Kamnikar had this to say:
Owner and staff very helpful and friendly. Definitely will shop here again.

On 5/13/2025 Landon Raef had this to say:
Very helpful with my rental for prom.

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Contact Us

That Guy's Secret
105 Marquette Street Suite B LaSalle, IL 61301
Phone: (815) 250-0928
Email: info@thatguyssecret.com

Corner of 1st and Marquette

Where To Find Us

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Payment Types Accepted

Checks, American Express, Discover, MasterCard, Visa, Debit Cards

Our Hours

Holiday Hours May Vary. Please Call For Details.

Monday: 10:00 AM - 4:00 PM
Tuesday: 10:00 AM - 5:00 PM
Wednesday: 10:00 AM - 5:00 PM
Thursday: 10:00 AM - 7:00 PM
Friday: 10:00 AM - 4:00 PM
Saturday: 10:00 AM - 4:00 PM

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