Thickness: The 4-6mm Sweet Spot
Most beginners assume thicker = better. Not quite. A standard yoga mat is about 3-4mm. That's enough for most people on most surfaces. If you have sensitive joints, 6mm gives meaningful extra padding without sacrificing stability. Going above 8mm (like the Gaiam Essentials at 10mm) adds comfort but makes balance poses harder because your feet sink into the foam. Our recommendation for most beginners: aim for 5-6mm.
Material: PVC vs. TPE vs. Natural Rubber
PVC (polyvinyl chloride) is the most common and most durable material. It grips well, lasts forever, and is easy to clean. The downside: it's not eco-friendly and can off-gas that "new mat smell." The BalanceFrom and Gaiam use PVC.
TPE (thermoplastic elastomer) is a newer, more eco-friendly alternative. Lighter and less smelly than PVC, but typically less durable. Good for moderate use.
Natural rubber provides the best grip (especially when wet) and is biodegradable. The trade-offs: heavier, has a natural rubber scent, and is a problem for latex allergies. The Liforme and Manduka eKO use natural rubber.
Grip: The Non-Negotiable
If a mat doesn't grip, nothing else matters. You need grip in two directions: your hands/feet on the mat surface (top grip) and the mat on the floor (bottom grip). We tested mats that were amazing on top but slid across hardwood floors — equally useless as mats that gripped the floor but let your hands slip.
A word of warning: online reviews about grip are unreliable because grip is highly personal. Dry-handed people and sweaty-palmed people have completely different experiences on the same mat. If possible, try before you buy — or at least buy from somewhere with a good return policy.
Eco-Friendliness
If sustainability matters to you, look for mats made from natural rubber, organic cotton, or TPE. Avoid PVC if possible. Brands like Liforme, Jade, and Manduka's eKO line use sustainably sourced natural rubber. Some are biodegradable. Keep in mind that "eco-friendly" mats generally cost more and may not last as long as PVC — it's a trade-off, not a free lunch.
Size Matters (More Than You Think)
Standard yoga mats are 68" long x 24" wide. If you're over 6 feet tall, get a 72" or 74" mat — they exist, and you'll be grateful during Savasana when your feet aren't dangling off the edge. Width is less discussed but equally important. If you have broad shoulders or long arms, a 26" wide mat gives you breathing room in poses like Wide-Legged Forward Fold.