ErgoSlant - The anti-fatigue mat that isn't flat (Great for your Standing Desk) Advanced anti-fatigue mat design to help improve posture, reduce back pain, and counter negative effects of heeled shoes BACKED BY SCIENCE: "Sloped surfaces create a favorable postural variability in both pelvic and lumbar spine angles" (2 published PubMed studies) PROVEN: 9 out of 10 of study participants indicated a preference for the sloped surface BIGGER AND THICKER: Provides varying degrees of cushioning (up to 2"), with a top ridge that allows for effective massaging of the instep REVERSIBLE: Slanted surface can be reversed to provide incline or decline and encourages healthy micro-movements while standing