Thin Blue Line

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Thin Blue Line is one of America's most recognizable pro-law-enforcement apparel brands, designed for officers, retirees, families, and supporters who proudly back the badge. Their t-shirts, hoodies, polos, headwear, flags, and patches combine everyday wearability with a clear statement of pride and solidarity, whether worn off-duty or to show support every day.

Browse Thin Blue Line across our Tactical Shirts & Tops, Duty Belts & Accessories, and Tactical Pants & Bottoms at Code 4 Uniforms.

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Code 4 Uniforms is an authorized dealer for every brand here.

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Why Choose Code 4 Uniforms

Code 4 Uniforms is a family-owned uniform and tactical gear supplier based in Glendora, California, serving law enforcement, fire, EMS, military, and security professionals nationwide. We specialize in professional-grade gear with personal service you won't find at big-box retailers.

What We Carry

  • Uniforms & Apparel: Class A, BDU, polos, and department-approved attire
  • Tactical Footwear: Duty boots, station boots, and tactical sneakers from trusted brands
  • Duty Gear: Belts, holsters, pouches, and load-bearing equipment
  • Tactical Equipment: Plate carriers, packs, optics, and field gear
  • Training & Safety: Range supplies, eye and ear protection, and academy essentials

Station Fittings Available

We come to you. Code 4 Uniforms offers on-site station fittings for departments, agencies, and units throughout Southern California. Our team will bring sizing samples, measure your personnel, and coordinate bulk orders directly at your station or facility, saving your team time and ensuring every uniform fits right the first time. Call (626) 387-8132 or email us to schedule a station fitting for your department.

Department & Agency Accounts

We work directly with departments, stations, and agencies. Code 4 Uniforms accepts purchase orders (POs) from law enforcement, fire, EMS, military, and government agencies, and offers department billing, net terms, and bulk order pricing. Whether you're outfitting new academy graduates, replacing duty gear for an entire shift, or placing a station-wide uniform order, we'll work with your procurement process to make it simple.

Why Shop With Us

  • In-store fittings at our Glendora showroom
  • On-site station fittings for departments and agencies
  • Family-owned with knowledgeable staff who've worn the gear
  • Purchase orders accepted from departments, stations, and agencies
  • Department billing and bulk order pricing available
  • Fast shipping nationwide on in-stock items

Visit or Contact Us

Stop by our showroom at 1806 E Route 66, Glendora, CA, call (626) 387-8132 Monday–Friday 9am–5pm, or email sales@code4uniforms.com to schedule a station fitting, submit a purchase order, or place a department order. We'll help you find the right fit, whether you're outfitting a single officer or an entire agency.