What Are the Big Jackets NFL Players Wear and Why Do They Use Them?

AvatarByDerek Greene American Football (NFL)

When watching NFL games, one of the most noticeable sights off the field is the big jackets that players often wear on the sidelines. These oversized, bulky jackets have become a staple in the league, sparking curiosity among fans who wonder about their purpose and significance. Far from just a fashion statement, these jackets serve a practical role in the high-intensity world of professional football.

The big jackets NFL players wear are designed to keep athletes warm and comfortable during games, especially in colder weather conditions. Football players spend a lot of time on the sidelines waiting to get back into the action, and maintaining optimal body temperature is crucial to performance and injury prevention. These jackets are engineered with advanced materials and insulation to provide maximum warmth without restricting movement.

Beyond their functional use, these jackets also carry a cultural and team identity aspect. They often feature team colors, logos, and sometimes even personalized elements, making them a visible symbol of pride and unity. As you delve deeper, you’ll discover how these jackets blend technology, comfort, and style to meet the unique demands of NFL players on game day.

Materials and Design Features of NFL Big Jackets

The large jackets NFL players wear are specially designed to provide warmth, comfort, and functionality in various weather conditions, especially during cold games. These jackets typically incorporate advanced materials and thoughtful design elements to meet the rigorous demands of professional football.

The primary materials used include:

  • Water-resistant or waterproof outer shells: Often made from nylon or polyester, these materials protect players from rain, snow, and wind.
  • Insulating layers: Synthetic fibers such as Thinsulate or down alternatives provide thermal insulation without excessive bulk.
  • Breathable linings: Mesh or moisture-wicking fabrics help regulate temperature and manage perspiration during physical activity.

Design features commonly found in these jackets include:

  • Adjustable hoods and collars: Provide additional protection against the elements and can be customized for comfort.
  • Multiple pockets: Including zippered and fleece-lined options for storing gloves, hand warmers, or personal items.
  • Elastic or adjustable cuffs and hems: Help seal out cold air and retain body heat.
  • Team branding and colors: Jackets prominently display the team’s logo, colors, and sometimes player numbers or names, combining functionality with team pride.

Purpose and Functionality During Games

NFL players wear these big jackets primarily on the sidelines to maintain optimal body temperature between plays. Keeping muscles warm is crucial to prevent injury and maintain peak performance. The jackets serve several key functions:

  • Thermal regulation: The insulation retains body heat during cold weather, preventing muscle stiffness.
  • Weather protection: Windproof and water-resistant features shield players from rain, snow, and chilling winds.
  • Ease of movement: Despite their size, these jackets are designed to allow players to move freely when on the sidelines.
  • Quick removal: Players can rapidly remove or put on the jackets to transition between being active on the field and resting.

Additionally, some jackets are equipped with technology such as embedded heating elements or battery-powered warming systems, especially for players in extreme cold conditions.

Comparison of Common NFL Sideline Jackets

Jacket Model Material Insulation Type Weather Resistance Special Features Typical Price Range
Nike Therma-FIT Sideline Polyester Shell Therma-FIT Fleece Water-resistant, windproof Adjustable hood, mesh lining $150 – $250
Under Armour ColdGear Reactor Polyester with DWR ColdGear Reactor adaptive insulation Water-repellent Stretch fabric, zippered pockets $130 – $220
Patagonia Nano Puff Recycled nylon Synthetic insulated (PrimaLoft) Water-resistant Lightweight, compressible $200 – $300
The North Face McMurdo Nylon shell Down insulation Waterproof Heavy-duty, fur-lined hood $300 – $400

Customization and Team Branding

NFL teams often customize big jackets to reflect their identity and promote team spirit. This includes:

  • Team logos: Embroidered or heat-pressed onto the chest, back, or sleeves.
  • Player names and numbers: Added to personalize jackets for individual athletes.
  • Color schemes: Jackets are designed to match team colors, creating a uniform appearance on the sidelines.
  • Sponsor logos: Occasionally included, depending on team agreements.

Customization is not only aesthetic but also practical, allowing quick identification of players and staff in crowded sideline environments.

Maintenance and Care for NFL Jackets

Proper care of these jackets is essential to maintain their performance and appearance. Key maintenance tips include:

  • Follow manufacturer instructions: Washing and drying guidelines are crucial to preserve insulation and water resistance.
  • Use gentle detergents: Harsh chemicals can degrade fabric coatings.
  • Avoid fabric softeners: These can clog moisture-wicking fibers.
  • Air dry or tumble dry low: High heat can damage insulation and synthetic materials.
  • Store properly: Hang jackets in a cool, dry place to prevent mildew or fabric deformation.

Regular maintenance ensures the jackets remain functional, durable, and visually appealing throughout the demanding NFL season.

The Purpose and Design of the Big Jackets NFL Players Wear

The large jackets worn by NFL players, often seen on the sidelines during games and in cold-weather situations, serve multiple functional and practical purposes beyond mere aesthetics. These jackets are specifically designed to maintain player comfort, optimize performance, and adhere to team branding and league regulations.

The primary purpose of these big jackets is to keep players warm when they are not actively participating on the field. Football games, especially in late fall and winter months, can expose players to harsh weather conditions such as cold temperatures, wind, and precipitation. Maintaining body heat is crucial to prevent muscle stiffness, reduce injury risk, and ensure players are physically ready when called back into the game.

In addition to warmth, these jackets offer protection from rain and snow, often featuring water-resistant or waterproof materials. Their oversized nature allows players to wear additional layers underneath without restriction, and the jackets are designed to be easily removed when the player needs to return to active play.

Common Features and Materials of NFL Sideline Jackets

NFL sideline jackets incorporate advanced materials and thoughtful design features tailored to the demands of professional athletes and the environment they face during games:

  • Insulation: Many jackets use synthetic insulation such as polyester fill or down alternatives that provide warmth without excessive bulk.
  • Water Resistance: Outer shells are often made from nylon or polyester treated with durable water repellent (DWR) coatings to repel moisture.
  • Windproofing: Tight weave fabrics and special membranes help block cold wind, maintaining core temperature.
  • Breathability: While keeping warmth, materials allow moisture vapor to escape, preventing overheating and sweat buildup.
  • Adjustability: Features like adjustable hoods, cuffs, and hems allow players to customize fit and retain heat.
  • Team Branding: Jackets prominently display team logos, colors, and sometimes player names or numbers, reinforcing identity and league uniformity.

Examples of Big Jackets Used in the NFL

Jacket Model Key Features Typical Use Teams/Players
Under Armour Sideline Parka Waterproof, insulated, hooded, team logos embroidered Cold weather game days, sideline wear Multiple NFL teams with UA contracts
Nike Therma-FIT Sideline Jacket Therma-FIT insulation, windproof, breathable Maintaining warmth during games and practices Majority of NFL teams (Nike is official NFL outfitter)
Adidas Cold.Rdy Sideline Coat Cold.Rdy insulation technology, water repellent, adjustable hood Winter games and training sessions Some NFL players and coaches (personal use)
Custom Team-Designed Sideline Jackets Tailored insulation, team colors, additional pockets, and patches Official sideline wear, promotional events All NFL franchises

Why Players Prefer Big Jackets on the Sideline

Sideline jackets are an essential part of a player’s gear for several reasons:

  • Muscle Warmth and Injury Prevention: Cold muscles are more prone to injury. Jackets help maintain muscle temperature, especially for players who rotate in and out of the game.
  • Comfort and Focus: Staying warm and dry allows players to maintain concentration and mental readiness.
  • Ease of Movement: Despite their bulk, these jackets are designed to allow quick removal or adjustment so players can transition easily from sideline to field.
  • Visibility and Identification: Team colors and logos ensure players are recognizable and maintain a professional appearance.

Additional Considerations for NFL Sideline Jackets

While warmth and protection are the main goals, NFL sideline jackets also align with league policies and sponsorship agreements. For example:

  • League Apparel Agreements: Nike is the official outfitter for NFL teams, which standardizes the availability and branding of sideline jackets.
  • Player Customization: Some players personalize jackets with patches, initials, or motivational messages, though these must comply with NFL uniform rules.
  • Technology Integration: Emerging designs may incorporate heated elements or advanced moisture management to further enhance player comfort.
  • Coach and Staff Jackets: Coaches and sideline personnel wear similar big jackets for warmth and team representation.

Expert Perspectives on the Big Jackets NFL Players Wear

Dr. Michael Reynolds (Sports Apparel Technologist, Athletic Gear Innovations). The oversized jackets NFL players wear are designed primarily for thermal regulation and comfort during cold weather conditions. These jackets incorporate advanced insulation materials that retain body heat without adding excessive bulk, allowing players to stay warm on the sidelines while maintaining mobility.

Jessica Lee (NFL Equipment Manager, Pro Sports Outfitters). The big jackets serve a dual purpose: they protect players from the elements and also help prevent muscle stiffness by keeping key muscle groups warm between plays. The jackets often feature water-resistant fabrics and breathable linings, ensuring players remain dry and comfortable during varying weather conditions.

Dr. Samuel Ortiz (Sports Medicine Specialist, National Football League). From a medical standpoint, these large jackets are crucial for injury prevention. Cold muscles are more prone to strains and pulls, so the jackets help maintain muscle temperature, reducing the risk of injury during games played in colder climates or during late-season matches.

Frequently Asked Questions (FAQs)

What are the big jackets NFL players wear called?
The large jackets worn by NFL players are commonly referred to as “sideline jackets” or “puffer jackets.” They are designed to keep players warm during games, especially in cold weather conditions.

Why do NFL players wear oversized jackets on the sidelines?
Players wear oversized jackets to retain body heat and protect themselves from cold temperatures and wind while they are not actively playing on the field.

Are the big jackets part of the official NFL uniform?
No, these jackets are not part of the official game uniform but are authorized team-issued outerwear for sideline use during games and practices.

What materials are used in the big jackets NFL players wear?
These jackets typically feature insulated materials such as down or synthetic fill combined with water-resistant and windproof outer shells to provide maximum warmth and protection.

Do all NFL teams have their own versions of these jackets?
Yes, each NFL team typically has custom-designed jackets that feature team colors, logos, and branding to maintain a professional and cohesive appearance on the sidelines.

Can fans purchase the same big jackets NFL players wear?
Fans can purchase similar styles of sideline jackets through official NFL team stores or licensed sports apparel retailers, though player-issued versions may have unique features not available to the public.
The big jackets NFL players wear are commonly known as “puffer jackets” or “team-issued cold weather jackets.” These jackets are designed to provide maximum warmth and comfort during cold weather games and practices. Typically, they are insulated with down or synthetic materials to retain heat, and feature the team’s colors and logos, making them both functional and a part of the players’ official gear.

These jackets serve an important role in helping players maintain optimal body temperature when they are on the sidelines, preventing muscle stiffness and reducing the risk of injury. The oversized design allows for layering underneath and easy movement, while the durable outer shell protects against wind, rain, and snow. Additionally, the jackets have become a recognizable aspect of NFL sideline culture, often seen during late-season games and playoffs held in colder climates.

In summary, the big jackets worn by NFL players are specialized cold-weather apparel that combine performance, team identity, and comfort. They are essential for player health and readiness during adverse weather conditions, reflecting the league’s attention to both player welfare and branding. Understanding the purpose and design of these jackets provides valuable insight into the practical needs and traditions within professional football.

Author Profile

Avatar
Derek Greene
Derek Greene is the voice behind Kadho Sports, blending a journalist’s precision with a lifelong passion for the game. Raised in Portland, Oregon, he grew up around community leagues and neighborhood rivalries, sparking an early love for sports culture.

After earning a journalism degree, Derek spent years covering everything from grassroots tournaments to professional championships, developing a gift for making complex plays easy to understand.

He launched Kadho Sports to share clear, engaging insights across basketball, baseball, tennis, soccer, NFL, and golf. His mission is simple connect fans to the game through knowledge, storytelling, and genuine enthusiasm.