Men's Long Boxer Briefs

At Wonderballs, we don’t rely on hype, gimmicks, or empty promises. Our commitment to men’s health is grounded in facts — backed by third-party certifications that verify the safety and quality of the materials we use. Every pair is made with certified non-toxic, skin-safe fabrics and dyes, ensuring they meet the highest standards for long-term wear and intimate health. We're also dedicated to environmental responsibility, sourcing organic materials and sustainable packaging, all traceable to their origin. Wonderballs isn’t here to impress with fluff — just real, proven comfort and care where it matters most.

	The OEKO-TEX® STANDARD 100 certification is one of the world’s best-known labels for textiles tested for harmful substances. For a product to earn this certification, every component — from fabric to thread to dye — must be tested and verified as free from substances that could pose a risk to human health. This means our Wonderballs underwear is certified safe to wear directly against your skin, giving you peace of mind that no harmful chemicals or irritants are in contact with your body. It’s a trusted mark of safety, transparency, and our commitment to your well-being. OEKO TEX Standard 100 Certificate
	Lenzing™ is a global leader in sustainable fiber innovation, known for producing eco-friendly materials like TENCEL™ and modal fibers from renewable wood sources. Their production process prioritizes environmental responsibility, using closed-loop systems that recycle water and solvents, significantly reducing environmental impact. When you see Lenzing™ on our Wonderballs underwear, it means the fabric is not only luxuriously soft and breathable, but also responsibly sourced and manufactured. It’s a mark of quality, sustainability, and our commitment to doing right by both your body and the planet. Lenzing Certificate
	The SMC ISO-9001 Certificate signifies that SMC, a global leader in automation and pneumatic components, meets the international standards for quality management systems as defined by ISO 9001. This certification ensures that SMC consistently delivers products and services that meet customer and regulatory requirements, while continuously improving operational efficiency, product quality, and customer satisfaction. It reflects SMC’s commitment to maintaining high standards across its manufacturing, design, and support processes. SMC-ISO-9001 Certificate
	We hereby affirm that Idetex S.A.C. has been assessed by Bureau Veritas and found to have established and maintains a Quality Management System (QMS) in accordance with the requirements of ISO 9001:2015. The QMS applies to the scope of [insert scope here, e.g., “design, manufacture, and inspection of textile fibers”], and undergoes regular surveillance audits by Bureau Veritas to ensure continued compliance and continual improvement. Bureau Veritas Certification

 

• 8" Inseam, Zero Ride-Up – Designed to stay put and support you where it matters most. Built for daily performance and long-term health.
• Pima Cotton + Modal Blend – A powerhouse combo of ultra-soft Peruvian Pima Cotton and breathable Austrian Modal, chosen for skin-safe comfort and all-day durability.
• Eco-Milled. Skin-Loving. – Our exclusive Wonderballs fabric is butter-soft, non-toxic, and eco-conscious—because what touches your health zone should be nothing less.
• Adaptive 4-Way Stretch – Moves with your body, not against it. Promotes circulation, reduces pressure points, and supports mobility in every direction.
• Tagless. Seamless. Thoughtful. – No chafing, no itching. Just smooth, supportive comfort that respects your anatomy.
• All-Day Breathability – Engineered airflow zones wick moisture and regulate temperature to keep you cool, dry, and irritation-free.
• Performance-Driven Design – Whether you’re training hard or just living hard, our gear is built to support men’s health from the inside out.
• Responsibly Made in Peru – Ethically crafted by expert hands, using sustainable practices and premium materials you can feel good about.
  

Men's Underwear Size Guide

Size	Waist (in)	Waist (cm)
S	28-30"	71-76"
M	32-34"	81-86"
L	36-38"	91-97"
XL	40-42"	102-107"
XXL	44-46"	112-117"
3XL	48-50"	122-127"