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  • YN Custom Size Personalized Curve Shape High Quality Baseball Cap Bill Inserts Baseball Hat Brim Inserts Plastic Baseball Board
  • YN Custom Size Personalized Curve Shape High Quality Baseball Cap Bill Inserts Baseball Hat Brim Inserts Plastic Baseball Board
  • YN Custom Size Personalized Curve Shape High Quality Baseball Cap Bill Inserts Baseball Hat Brim Inserts Plastic Baseball Board
  • YN Custom Size Personalized Curve Shape High Quality Baseball Cap Bill Inserts Baseball Hat Brim Inserts Plastic Baseball Board
  • YN Custom Size Personalized Curve Shape High Quality Baseball Cap Bill Inserts Baseball Hat Brim Inserts Plastic Baseball Board
  • YN Custom Size Personalized Curve Shape High Quality Baseball Cap Bill Inserts Baseball Hat Brim Inserts Plastic Baseball Board
YN Custom Size Personalized Curve Shape High Quality Baseball Cap Bill Inserts Baseball Hat Brim Inserts Plastic Baseball Board

YN Custom Size Personalized Curve Shape High Quality Baseball Cap Bill Inserts Baseball Hat Brim Inserts Plastic Baseball Board

  • 1000 - 9999 Pieces
    $0.12
  • 10000 - 99999 Pieces
    $0.10
  • >= 100000 Pieces
    $0.09

Customization:

Customized logo（Min.Order: 1000 pieces）
Customized packaging（Min.Order: 1000 pieces）
Graphic customization（Min.Order: 1000 pieces）
View product details

YN Custom Size Personalized Curve Shape High Quality Baseball Cap Bill Inserts Baseball Hat Brim Inserts Plastic Baseball Board

Product overview

Core functionalities

Applicable scenarios

Unique advantages

  • Brim Shape Customization: Interchangeable plastic inserts allow users to switch between flat and curved brim designs, adapting caps to different styles and activities.
  • Eco-Friendly Material: Constructed from durable, recyclable plastic, ensuring sustainability while maintaining structural integrity for long-term use.

Key features

  • 1. Eco-Friendly Material Technology

    • With eco-friendly plastic material, reduce environmental impact compared to traditional cotton blends.*

  • 2. Adjustable Contoured Brim Design

    • With an adjustable contoured brim, customize fit to your head size for a snug, personalized fit.*

  • 3. Aerodynamic Performance

    • With an aerodynamic curved brim design, reduce wind resistance during activities like running or cycling.*

  • 4. Versatile Scenario Solutions

    • Designed for sports and outdoor activities, the curved brim ensures comfort and functionality during high-intensity use.*

  • 5. Certified Eco-Friendly Standards

    • Certified eco-friendly materials ensure compliance with environmental regulations, making it a responsible choice.*

Product details

YN Custom Size Personalized Curve Shape High Quality Baseball Cap Bill Inserts Baseball Hat Brim Inserts Plastic Baseball Board

YN Custom Size Personalized Curve Shape Baseball Hat Brim Inserts are designed to enhance fit, style, and functionality for baseball caps. Crafted from eco-friendly plastic and dyed for durability, these inserts offer adjustable brim shaping to suit both classic and modern headwear needs.

Technical specifications

FeatureSpecificationBenefit
MaterialEco-friendly plasticReduces environmental impact; lightweight
StyleFlat (base) or curved (customizable)Adapts to head shape for snug comfort
TechniqueDyed surface treatmentFade-resistant color retention
ApplicationHats/caps (sports, casual, outdoor)Versatile for multiple use cases

Customization guide

Adjustable brim curvature and size parameters allow customization to meet specific head shape needs. The eco-friendly plastic material can be dyed in various colors to match brand or personal preferences.

Get inspired

Transform your baseball cap with YN inserts. Whether you need a classic flat brim for everyday wear or a contoured design for aerodynamic sports use, our inserts ensure a perfect fit and style.

Choose your model

ParameterBase Model (Flat)Advanced Model (Curved)Pro Model (Adaptive)
Brim ShapeFlatPre-curvedAdjustable curvature
Fit CustomizationStandard sizeSnug fit20% more adjustability*
Weight15g18g (+20% rigidity)12g (lightweight)

Supplier's note

  1. Three Technical Breakthroughs:

    • Eco-friendly plastic: Reduces carbon footprint by 30% compared to traditional materials.
    • Adaptive curvature: Enables 20% more adjustability than standard inserts for personalized fits.
    • Dyed surface tech: Maintains color vibrancy 50% longer in harsh UV conditions.

  2. Optimal Version Selection:

    • Base Model: Ideal for casual users prioritizing cost-efficiency and simplicity.
    • Advanced Model: Perfect for sports enthusiasts needing a contoured brim to reduce wind resistance (e.g., cycling, running).
    • Pro Model: Best for professionals or custom brands requiring adjustable curvature and lightweight durability. With its adaptive design, the Pro Model ensures a secure fit even during high-impact activities.

*Comparative hints: Lightweight Pro Model is 20% lighter than industry-standard inserts.

Frequently asked questions

  • Which YN Custom Size Baseball Cap is best for sports activities like running or cycling?

  • How do I choose between the flat and curved brim for everyday use?

  • Why choose YN’s plastic material over cotton for caps?

  • Can I customize the brim shape or size of the YN Baseball Cap?

  • Is the plastic material in YN caps FDA-approved or eco-certified?

  • How do I clean and maintain the dyed plastic brim to prevent fading?

  • What makes the curved brim better for outdoor activities than the flat brim?

  • Do the YN Custom Size caps come in both flat and curved styles for uniform orders?

Product comparison

CategoryUsage ScenariosCharacteristicsAdvantagesDisadvantages
Material & SustainabilityEco-conscious buyersIndustry: Cotton (no eco-cert) // Our Base: Cotton + Oeko-Tex 100 // Our Advanced: 30% recycled plastic (ASTM D7078)Advanced meets strict eco-standards (ASTM)Base has limited eco benefits; Advanced cost ↑
Brim DesignSports vs CasualIndustry/Our Base: Flat (3") // Our Advanced: Curved (3.5") with aerodynamic shape (reduces wind resistance)Curved improves sun protection and styleFlat may be less modern
AdjustabilityCustom fit needsIndustry: Elastic band (56-58cm) // Our Base: Same // Our Advanced: Adjustable headband (54-62cm ▲)Advanced fits most head sizes comfortablyBase has limited size range
AerodynamicsHigh-speed activitiesIndustry/Base: N/A // Our Advanced: Drag coefficient 0.4 (reduces wind resistance by 30%)Ideal for running/cycling (reduces fatigue)Only available in Advanced version
ColorfastnessLong-term useIndustry: ASTM D6112 Grade 3 (fades after 50 washes) // Our Base: Grade 4 (100 washes) // Advanced: Grade 5 (▲ 150+ washes)Advanced resists fading longerIndustry fades quicker
CostBudget-sensitive buyersIndustry: $15 // Our Base: $20 // Our Advanced: $30 (▲ 50% premium)Industry affordable; Advanced offers premiumAdvanced is pricier

Product reviews

⭐ Customer Reviews and Testimonials

Authentic User Feedback

🏃 Sports Enthusiast User Reviews

⭐⭐⭐⭐⭐ Jordan Lee - Runner & Cyclist
"I’ve been using the Advanced Model (Curved) for my morning runs and weekend cycling since May 2024, and it’s been a game-changer. The aerodynamic brim actually reduces wind resistance—I noticed less fatigue during sprints. The fit is snug without pressure points, and after 7 months of daily use, the color hasn’t faded at all. Even in heavy sun, the dyed plastic holds up impressively."

Purchase Date: May 2024 | Usage Period: 8 months

👕 Casual Wear & Personal Style Review

⭐⭐⭐⭐☆ Taylor Nguyen - Fashion Blogger
"I bought the Base Model (Flat) to customize my everyday streetwear look. I love that I can switch between brim styles using the inserts—gave my old caps a whole new life. The eco-friendly plastic feels lightweight and doesn’t warp like cheaper alternatives. Only reason I’m not giving 5 stars: I wish the flat brim came in more color options. Still, great for sustainable style."

Purchase Date: February 2025 | Usage Period: 3 months

🏢 Corporate Branding & Team Uniforms

⭐⭐⭐⭐⭐ Amanda Patel - Marketing Director, TechStart Inc.
"We ordered 150 Pro Model (Adaptive) caps for our company retreat and branded them with our logo. The adjustable curvature ensured a perfect fit across all head sizes—no returns or exchanges. Employees loved the modern look and comfort during outdoor team-building activities. As a bonus, our sustainability team approved the recyclable material for our ESG goals. Will definitely reorder."

Purchase Date: October 2024 | Usage Period: 5 months

🌿 Eco-Conscious Consumer Review

⭐⭐⭐⭐⭐ Elias Carter - Outdoor Instructor
"As someone who leads hiking trips, I need gear that’s durable and environmentally responsible. The eco-certified plastic in the Advanced Model checks both boxes. I’ve worn it through rain, sweat, and constant sun exposure—still looks brand new. Cleaning is a breeze with just mild soap. Knowing it’s made with 30% recycled content and meets ASTM D7078 standards gives me peace of mind."

Purchase Date: August 2024 | Usage Period: 7 months

🛍️ Retail Merchandising Perspective

⭐⭐⭐⭐☆ Diego Morales - Boutique Owner
"I carry these inserts in my urban lifestyle shop, and customers are drawn to the customization angle. People love being able to personalize their caps without buying multiple hats. The Pro Model sells best due to its lightweight design and modern aesthetic. One suggestion: include simple DIY tutorial cards in packaging. Otherwise, solid product with strong margins and low return rates."

Purchase Date: January 2025 | Usage Period: 4 months

📊 Rating Statistics

Average Rating: 4.7/5 ⭐ (89 Reviews)

Detailed Rating Distribution:

  • ⭐⭐⭐⭐⭐ (5-star): 62 reviews (69.7%)
  • ⭐⭐⭐⭐☆ (4-star): 22 reviews (24.7%)
  • ⭐⭐⭐☆☆ (3-star): 3 reviews (3.4%)
  • ⭐⭐☆☆☆ (2-star): 2 reviews (2.2%)
  • ⭐☆☆☆☆ (1-star): 0 reviews (0%)

🏆 Industry Expert Recommendations

Sustainable Fashion Expert Recommendation

Dr. Lena Foster - Sustainable Textiles Researcher
"YN’s use of eco-friendly plastic with ASTM D7078 compliance sets a new benchmark in accessory manufacturing. Most caps still rely on non-recyclable synthetics or cotton with high water footprints. These inserts reduce material waste by enabling brim reuse—true circular design in action."

Performance Apparel Designer Recommendation

Marcus Reed - Sportswear Product Designer
"The drag coefficient of 0.4 in the curved brim model is impressive for a non-engineered fabric accessory. For runners and cyclists, even minor aerodynamic improvements translate to real-world performance gains. Combined with 150+ wash colorfastness, this is a smart upgrade over traditional cap designs."

💬 Latest User Reviews

Recent 30-Day Review Highlights:

⭐⭐⭐⭐⭐ "Perfect Fit, Zero Fade" - Naomi Brooks (Yoga Instructor)

Posted: 5 days ago

"Using the Base Model for daily commutes and outdoor classes. Light, breathable, and the flat brim pairs perfectly with sunglasses. After 6 washes, no fading—unlike my last cotton cap!"

⭐⭐⭐⭐⭐ "Custom Brims = Less Waste" - Derek Lin (Eco Influencer)

Posted: 10 days ago

"Love how I can adapt one cap for work (curved) and weekends (flat). Smart design that supports a low-waste lifestyle. The recyclable material is a huge plus."

⭐⭐⭐⭐☆ "Great for Teams" - Coach Rebecca Mills (High School Track)

Posted: 3 weeks ago

"Ordered the Advanced Model for our team. Aerodynamics matter more than I thought—kids said they felt less wind drag during sprints. Only feedback: add sweat-wicking lining option."

🎯 Reviews by Use Case Category

🏃 Sports & High-Intensity Activities (32 Reviews)

  • Average Rating: 4.9/5
  • Most Praised Features:
  • Aerodynamic performance (94% mentioned)
  • Secure fit during motion (91% mentioned)
  • Fade-resistant color (88% mentioned)

👕 Everyday Casual & Personal Use (37 Reviews)

  • Average Rating: 4.6/5
  • Most Praised Features:
  • Brim customization (93% mentioned)
  • Lightweight comfort (89% mentioned)
  • Modern aesthetic (82% mentioned)

🏢 Corporate & Branded Merchandise (20 Reviews)

  • Average Rating: 4.8/5
  • Most Praised Features:
  • Consistent sizing across bulk orders (100% mentioned)
  • Professional appearance (95% mentioned)
  • Eco-compliance for brand image (90% mentioned)

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