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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.
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
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
Testimonials
On 3/11/2025
Mitch McCoy
had this to say:
Great customer service. The staff helped me find exactly what I needed.
On 3/10/2025
Jessi Mini
had this to say:
Very helpful place to shop! It's my go-to when I'm looking for a gift for my husband.
On 2/23/2025
Gerardo Garcia Campos
had this to say:
Store owner stayed late for me and didn’t pressure me into buying anything. I tried on almost a dozen pieces that were at or below my price range and he was knowledgeable on each one. I only wanted a jacket, got one I liked below budget and ended up buying a shirt too. Second time buying at TGS, will be back.
On 2/4/2025
Jeremy Cavaletto
had this to say:
Great help! 10\10
On 1/17/2025
steve cimei
had this to say:
I do not enjoy shopping for clothes, at the Guy Secret they make it easy and have a great selection of any style to fit your needs.
Contact Us
That Guy's Secret
105 Marquette Street Suite B LaSalle, IL 61301
Phone: (815) 250-0928
Email: info
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
News
Fellas (and fashion-forward friends), it’s time to turn up the style and the savings! Join us on March 29th from 11 AM to 4 PM for a celebration like no other—because we’re not just reopening, we’re leveling up with a brand-new fine jewelry line AND keeping you looking sharp in top-quality men’s fashion.ONE DAY ONLY – 50% OFF EVERYTHING! (Yup, you read that right! Excludes special orders, rentals, and trunk show items, but still—what a steal!)
First 50 customers score FREE diamond earrings! Talk about a glow-up!
Surprise giveaways all day long! Because who doesn’t love free stuff?
Fuel your shopping spree with eats from Camp Aramoni & Bagel Boutique! Style AND snacks? Say less.
Mark your calendars, grab your crew, and let’s make this a reopening to remember!
That Guy’s Secret
March 29 | 11 AM – 4 PM
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