Speed 40 Backpack vs Hybrid Transport Backpack Tan Recycled Rice Paper Plastic Daypack: which is safer?

Keen Hybrid Transport Backpack Tan Recycled Rice Paper Plastic Daypack is the clear pick. Black Diamond Speed 40 Backpack carries a failing PFAS grade, and we never recommend buying a failing product.

Black Diamond

Speed 40 Backpack

PFAS grade

F 40/100

Overall grade

F 28/100

Verdict

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Hazard flags

⚑ 3

Material

Nylon fabric with water-repellent coating water-repellent coating

Confidence

35%

Possiblewater-repellent coating degradation and leaching

PossibleOff-gassing from synthetic coatings

PossibleContact dermatitis from finish residues

Why this grade

Our pick

Keen

Hybrid Transport Backpack Tan Recycled Rice Paper Plastic Daypack

PFAS grade

B 85/100

Overall grade

F 63/100

Verdict

Buy

Hazard flags

⚑ 4

Material

Recycled rice paper, plastic composite, no evident water-resistant coating

Confidence

78%

PossibleFormaldehyde resins in binding or finishing

PossibleAzo dyes in the tan coloring

ReportedMicrobial growth if water-damaged

Why this gradeBuy

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 & luggage: see the full ranking