59Good

Do New Balance sports performance undergarments have PFAS?

The verdict
New Balance sports performance undergarments average 59 out of 100 on PFAS Authority's PFAS and toxin screen across the 8 New Balance sports performance undergarments graded as of October 2026, level with the 59 out of 100 median for the 12 other sports performance undergarments brands graded alongside it.
Free to quote with attribution to PFAS Authority and a link to pfasauthority.com/brands/new-balance/sports-performance-undergarments.

New Balance sports performance undergarments average Good on our four-band scale. None of them clear our buy threshold. That is above 46% of the sports performance undergarments brands we grade.

PFAS Authority is a scoring system, not a laboratory. We do not test products ourselves. Grades are model-based, built from published ingredients, materials, certifications, brand disclosures and third-party lab results where they exist. See the rubric.

Graded and flagged Poor and Bad, we’d swap these

New Balance Men's Premium Performance 3" Trunk Underwear 2-Pack

New Balance

Men's Premium Performance 3" Trunk Underwear 2-Pack

65GoodPFAS grade
  • polyester and elastane blend
  • We found no PFAS statement from the brand
  • Microplastic shedding (polyester fiber fragmentation), Polyester textiles consistently release microfibers…

3 hazards checked on this product. See all of them.

New Balance Men's Mesh 5 No Fly Boxer Brief

New Balance

Men's Mesh 5 No Fly Boxer Brief

65GoodPFAS grade
  • Mesh polyester, elastane blend
  • We found no PFAS statement from the brand
  • Azo dyes (allergenic colorants), Black or dark mesh briefs may use azo dyes; these are banned in some…

3 hazards checked on this product. See all of them.

New Balance Men's Mesh No Fly Boxer

New Balance

Men's Mesh No Fly Boxer

65GoodPFAS grade
  • Mesh polyester/nylon blend
  • We found no PFAS statement from the brand
  • Azo dyes and color fastness, Polyester mesh boxers are typically dyed with synthetic azo or reactive dyes.…

3 hazards checked on this product. See all of them.

New Balance Men's Moisture Wicking Lightweight Breathable Boxer Briefs

New Balance

Men's Moisture Wicking Lightweight Breathable Boxer Briefs

65GoodPFAS grade
  • polyester/nylon blend with moisture-wicking finish
  • We found no PFAS statement from the brand
  • Heavy metals, The black, navy, or colored variants may use azo dyes or pigments that could contain trace…

3 hazards checked on this product. See all of them.

New Balance Men's Premium 3 Inch Trunk No Fly

New Balance

Men's Premium 3 Inch Trunk No Fly

65GoodPFAS grade
  • nylon mesh and polyester liner, no waterproofing treatment
  • We found no PFAS statement from the brand
  • Azo dyes, Polyester liners are typically dyed with azo colorants, which can release carcinogenic amines under…

3 hazards checked on this product. See all of them.

New Balance Women's Athletics Brief 2.0

New Balance

Women's Athletics Brief 2.0

65GoodPFAS grade
  • nylon and elastane blend
  • We found no PFAS statement from the brand
  • Azo dyes (carcinogenic dye intermediates), Azo dyes are restricted in EU/OEKO-TEX but not banned globally.…

3 hazards checked on this product. See all of them.

New Balance Women's Athletics Brief v3

New Balance

Women's Athletics Brief v3

65GoodPFAS grade
  • Nylon/polyester athletic brief, no water-repellent coating specified
  • We found no PFAS statement from the brand
  • Azo dyes and dye allergens, New Balance does not publish dye supplier or chemical restrictions for basic…

4 hazards checked on this product. See all of them.

New Balance Men's Mesh Jersey Performance Wicking No Fly Boxer Briefs

New Balance

Men's Mesh Jersey Performance Wicking No Fly Boxer Briefs

20BadPFAS grade
  • polyester mesh with moisture-wicking finish
  • We found no PFAS statement from the brand
  • Azo dyes in polyester fabric, Polyester apparel is routinely dyed with azo colorants; while EU and many…

4 hazards checked on this product. See all of them.

Better sports performance undergarments from other brands

Graded higher than the New Balance average of 59.

PUMA Women's Quarter Crew Socks (6 Pairs)

Puma

Women's Quarter Crew Socks (6 Pairs)

65GoodPFAS grade
  • Cotton/polyester blend socks, no waterproofing
  • Azo dyes

3 hazards checked on this product. See all of them.

Brooks Brothers Men's 3-Pack Cotton Boxers

Brooks

Brothers Men's 3-Pack Cotton Boxers

65GoodPFAS grade
  • 100% cotton
  • We found no PFAS statement from the brand
  • Azo dyes and residual dye chemicals

3 hazards checked on this product. See all of them.

Brooks Brothers Men's Supima Cotton Boxer Briefs

Brooks

Brothers Men's Supima Cotton Boxer Briefs

65GoodPFAS grade
  • Supima cotton, no surface treatment disclosed
  • We found no PFAS statement from the brand
  • Formaldehyde / VOCs

4 hazards checked on this product. See all of them.

The same question, asked of the other sports performance undergarments brands

Best average grade first. New Balance averages 59.

See every New Balance product we grade on the New Balance brand page, or the full sports performance undergarments ranking.