D

Is Buck Mason PFAS-free?

Across 8 graded products, Buck Mason averages D (65/100). On disclosure, the brand says nothing publicly about PFAS. None of its products grade C or better yet. Grades are model-based estimates, not lab results.

Graded and flagged D and F, we’d swap these

Buck Mason Men's Draped Regular Fit Short Sleeve Twill Shirt

Buck Mason

Men's Draped Regular Fit Short Sleeve Twill Shirt

100% cotton twill

D
D · Elevated

Lower PFAS concern, untreated cotton shirt with no water-resistance finish or finishing treatments typical of water-repellent coating apparel.

Risky category by default

Buck Mason Men's California Oxford Bd Shirt

Buck Mason

Men's California Oxford Bd Shirt

cotton oxford cloth

D
D · Elevated

Lower concern; untreated cotton oxford has minimal PFAS risk, but brand offers no transparency.

Risky category by default

Buck Mason Men's Wornwell One Pocket Shirt

Buck Mason

Men's Wornwell One Pocket Shirt

Cotton chambray

D
D · Elevated

Lower concern, basic cotton shirt with no known water/stain treatment; typical Buck Mason stance is silent on PFAS.

Risky category by default

Buck Mason Men's Big Oxford

Buck Mason

Men's Big Oxford

Cotton oxford cloth

D
D · Elevated

Lower PFAS concern for untreated cotton oxford; no water-repellent finish claimed.

Risky category by default

Buck Mason Women's Mainstay Shirt

Buck Mason

Women's Mainstay Shirt

Cotton knit

D
D · Elevated

Lower-concern basic cotton shirt; no water-repellent coating or finish triggers, but Buck Mason has not publicly disclosed PFAS practices.

Risky category by default

Buck Mason Men's Brook Stripe Oxford Shirt

Buck Mason

Men's Brook Stripe Oxford Shirt

Cotton oxford cloth, no special coatings mentioned

D
D · Elevated

Lower PFAS concern for basic cotton oxford; Buck Mason makes no treatment claims but doesn't disclose materials fully.

Risky category by default

Buck Mason Men's Brook Stripe Oxford

Buck Mason

Men's Brook Stripe Oxford

cotton oxford cloth

D
D · Elevated

Lower-concern basic oxford, no waterproofing flag, but Buck Mason discloses nothing about PFAS.

Risky category by default

Buck Mason Men's Draped Lounge Lizard Shirt

Buck Mason

Men's Draped Lounge Lizard Shirt

Cotton/natural fiber lounge wear

D
D · Elevated

Lower PFAS concern, untreated cotton casualwear with no water-repellent coating or stain-resist claims.

Risky category by default

Every grade uses the same public rubric. How grades work →