Patent ID: 8765253

Claim:
An exercise mat comprising: a knit spacer fabric comprising: a first base region including a plurality of first filaments knit with a plurality of second filaments, the first base region further including an upper layer, the upper layer having a plurality of first cylindrical elements spaced throughout the first base region; a second base region spaced apart from the first base region up to a cushion thickness distance, the second base region including a plurality of third filaments knit with a plurality of fourth filaments, the second base region further including a lower layer, the lower layer having a plurality of second cylindrical elements spaced throughout the second base region; an intermediate spacer region disposed between the first base region and the second base region, the intermediate spacer region including a plurality of intermediate filaments extending between the first and second base regions in a columnar arrangement and forming a field of columnar filaments, the field of columnar filaments biasing the first base region apart from the second base region to the cushion thickness distance, wherein the plurality of intermediate filaments pass between the consecutive first cylindrical elements and the consecutive second cylindrical elements in one portion of the exercise mat, and wherein the plurality of intermediate filaments pass between the non-consecutive first cylindrical elements and the non-consecutive second cylindrical elements in another portion of the exercise mat; and a traction-enhancing coating disposed at least one of the first and second base regions.