1. Yoga Mat - Eco Friendly, Nonslip for Hot Yoga; Travels Easily in Your Yoga Bag; Comes with Yoga Mat Strap Carrier; Best, Thick, Organic Mat for Exercise, Pilates and Yoga; Money Back Guarantee (Black/Lavender) (Click Link to Check Price on Amazon)
Editor's Rating : 9.2 out of 10
Textured mat prevents slipping, reducing injuries and allowing you to focus on your formDouble layer thick 6mm mat provides extra cushion and support making your workout more comfortable

2. Thrive on Wellness Thick Yoga Mat - Best Comfort on Spine or Joints with Strap for Travel, 24" x 72" EXTRA Long, 1/2 inch Thick Exercise Mats for Pilates, Yoga, P90x and Stretch, Non-slip Non-toxic (Click Link to Check Price on Amazon)
Editor's Rating : 8.8 out of 10
✤ TRUE PREMIUM THICK MAT: You won't feel the floor anymore! This workout mat offers you UNIQUE balance of luxury, DENSITY & durability, not found in those cheap mats. Our favorite customer enjoys the extra cushioning and called it the "Cadillac of Exercise Mats!"✤ EXTRA LONG: You have plenty of room to stretch out on this large mat - 72" X 24" X 1/2" (183cm x 61cm x 1.3cm), fits up to 6'4" tall comfortably. Clients of all sizes ADORE the extra space to Thrive On :-)

3. Spoga Premium Extra Thick 71-Inch Long High Density Exercise Yoga Mat with Comfort Foam and Carrying Straps, Black (Click Link to Check Price on Amazon)
Editor's Rating : 9.3 out of 10
71" long 24" wide yoga mat ensures comfort for people of all shapes and sizes.Ultra thick mat with specially designed Spoga memory foam protects your knees and joints, absorbs impact, and provides amazing comfort while still allowing you to grip the floor for balance.

4. Crown Sporting Goods 3/4-Inch Extra Thick Yoga Mat with No Stick Ridge, Black (Click Link to Check Price on Amazon)
Editor's Rating : 9.5 out of 10
High-density foam mat measures 15 mm (almost 3/4 Inch) thickPerfect for Pilates, Yoga and other floor exercises

5. HemingWeigh 1/2-Inch Extra Thick High Density Exercise Yoga Mat with Carrying Strap (Black) (Click Link to Check Price on Amazon)
Editor's Rating : 9.1 out of 10
71" long 24" wide ensures comfort for people of all shapes and sizes.Ideal for yoga, pilates, stretching and toning workouts, Double-sided, non-slip surface grips the floor to prevent injuries