CALIA 5mm Dry Grip Yoga Mat vs Premium Yoga Cork Mat 5mm Thick Natural Tree Rubber Base and Bigger Mat for Extra Support: which is safer?

Where these two actually differ

• We flag VOC and formaldehyde off-gassing from unspecified dry-grip coating, Coating degradation and microparticle shedding, Rubber base off-gassing and allergenicity and PFAS in water-repellent coating on the Dick's Sporting Goods (house brand) and not on the .
• We flag Microbial growth (mold, mildew), Latex protein allergenicity and Cork dust inhalation (minor) on the and not on the Dick's Sporting Goods (house brand).
• The Dick's Sporting Goods (house brand) is Rubber base with dry-grip coating, composition unspecified where the is natural tree rubber, cork surface, which is most of the difference in these two grades.
• The gap is 35 points, wide enough that this is not a close call, and the is the one to buy.
• We are less certain about the Dick's Sporting Goods (house brand) grade, at 45% confidence against 82%, because it discloses less.