Utility 6" Evanston Waterproof Met Guard EH Carbon Fiber Toe Boots, for Men, Size 11, Waterproof, EH, Carbon Fiber vs Ultra- Sil Stuff Sack Set: which is safer?
Sea To Summit Ultra- Sil Stuff Sack Set is our pick: better on PFAS and on the overall hazard picture.
Keen
Utility 6" Evanston Waterproof Met Guard EH Carbon Fiber Toe Boots, for Men, Size 11, Waterproof, EH, Carbon Fiber
PFAS grade
F 20/100
Overall grade
F 0/100
Verdict
Skip
Hazard flags
⚑ 3
Material
Leather/textile upper with waterproof membrane coating
Confidence
45%
LikelyPFAS in water-repellent coating (water-repellent coating) coating
PossibleFormaldehyde resins in textile backing or adhesives
ReportedMembrane degradation and microplastic shedding over time
Our pick
Sea to Summit
Ultra- Sil Stuff Sack Set
PFAS grade
D 65/100
Overall grade
analysis pending
Verdict
pending
Hazard flags
none flagged
Material
Ultra-Sil nylon fabric, no water treatment applied
Confidence
78%
Both products run through the same public rubric: materials, coatings, brand disclosure, lab findings, and recalls, plus a beyond-PFAS hazard analysis. Grades are model-based estimates, not lab tests. How grades work →
More waterproof outdoor accessories: see the full ranking