Skip to Main ContentSkip to FiltersSkip to FiltersSkip to Footer
  • Select site region
    • Switch Stores
    • Select USA StoreUSA
  • Gift Cards
  • Track Order
  • Help
  • My Account
  • Language
    • English
    • Français
Fanatics
100% Official Merchandise
365 Day Returns
  • nhl
  • nfl
  • mlb
  • More
    nba
    college
    soccer
    wwe
    formula 1
    sale
  • nba
  • college
  • soccer
  • More
    wwe
    formula 1
    sale
  • wwe
  • formula 1
  • more
  • sale
  • players
SIGN UP & SAVE!
  1. College
  2. Under Armour
  3. Hats
  4. Flex Hats
  5. Sideline Gear
Flex Hats
Filter & SortCancel

Your Selections

  • Under Armour
  • Hats
  • Flex
  • Sideline Gear
  • M

College Teams

  • Northwestern Wildcats
  • Notre Dame Fighting Irish
  • Utah Utes
  • Wisconsin Badgers

Gender/Age

  • Men
1 - 6 of 6
NFL NCAA Sideline
Top Sellers
72 Items
Men
  • Under Armour
  • Hats
  • Flex
  • Sideline Gear
  • M
6 Items
  • 1
  • 1 of 1
 Northwestern Wildcats Under Armour  Sideline Performance Flex Hat - White
Almost Gone!
$61.99
Northwestern Wildcats Under Armour Sideline Performance Flex Hat - White
 Utah Utes Under Armour  Sideline Performance Flex Hat - Red
Almost Gone!
$61.99
Utah Utes Under Armour Sideline Performance Flex Hat - Red
 Notre Dame Fighting Irish Under Armour Sideline Blitzing Accent Flex Hat - Green
$54.99
Notre Dame Fighting Irish Under Armour Sideline Blitzing Accent Flex Hat - Green
 Notre Dame Fighting Irish Under Armour Sideline Blitzing Accent Flex Hat - White
$54.99
Notre Dame Fighting Irish Under Armour Sideline Blitzing Accent Flex Hat - White
 Northwestern Wildcats Under Armour Sideline Blitzing Accent Flex Hat - White
$54.99
Northwestern Wildcats Under Armour Sideline Blitzing Accent Flex Hat - White
 Wisconsin Badgers Under Armour Sideline Blitzing Accent Flex Hat - Red
$54.99
Wisconsin Badgers Under Armour Sideline Blitzing Accent Flex Hat - Red
  • 1
  • 1 of 1
Men
Customer Service
  • Contact Us
  • Help
  • Track Order
  • Size Chart
Worry Free Shopping
  • Safe Shopping
  • Shipping Rates
  • 365-Day Returns
Information
  • My Account
  • About Us
  • Affiliate Program
  • Contact Us
  • Help
  • 365-Day Returns
  • Track My Order
Stay updated on sales, new items and more
  • Privacy Policy
  • Your Privacy Choices
  • Accessibility
  • Terms of Use
  • Interest-Based Advertisement
  • Product Concerns
© Fanatics, LLC., 2025. All Rights Reserved. No portion of this site may be reproduced or duplicated without the express permission of Fanatics, LLC.
  • Visa
  • Master Card
  • Amex
  • PayPal
rc:
48dfe44bd0578054
vid:
78860d80-88fd-11f0-977f-c31d85c8ac63
version:
1.1.0-rc-20250902-1.123065
gsId:
78860d82-88fd-11f0-977f-c31d85c8ac63

Show More
  • Qualified Experiments #:

    • Namespaces:

      • 3:3265:0
      • 5:884:0
      • 6:4678:0
      • 8:3842:0
      • 9:318:0
      • 2:3104:0
      • 4:3679:0
      • 7:1043:0
      • 10:7895:0
      • 11:3441:0