SCurry 24L Backpack vs Dry Sack 3L w/Window: which is safer?

Granite Gear SCurry 24L Backpack is our pick: better on PFAS and on the overall hazard picture.

Our pick

Granite Gear

SCurry 24L Backpack

PFAS grade

F 20/100

Overall grade

F 12/100

Verdict

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Hazard flags

⚑ 2

Material

Nylon with water-repellent coating water-resistant treatment

Confidence

45%

PossibleFluorochemical water-repellent coating finish volatilization

PossibleMicrofiber shedding from degraded water-repellent coating

Why this grade

Osprey

Dry Sack 3L w/Window

PFAS grade

F 20/100

Overall grade

F 8/100

Verdict

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Hazard flags

⚑ 3

Material

nylon fabric with water-repellent coating, window unclear

Confidence

45%

PossiblePFAS in water-repellent coating

PossibleMicroplastic shedding from coating degradation

PossibleWindow material identity and leaching

Why this grade

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 bags: see the full ranking