Foot covering for mattress

The Design consists of the features of shape and configuration of the foot covering as shown in the drawings. The Design shows three variants which do not substantially differ from one another, namely the first variant of Figs. 1-10, the second variant of Figs. 11- 15, the third variant of Figs. 16-20. The stippled line portions shown in the Figures are for illustrative purposes only and form no part of the Design. Figure 1 is a top and rear perspective view of the foot covering in accordance with a first variant of the Design in a mattress mounting position; Figure 2 is a top and front perspective view of the foot covering of Figure 1 in a mattress mounting position; Figure 3 is a top plan view of the foot covering of Figure 1 in a flat position; Figure 4 a bottom plan view of the foot covering of Figure 1 in a flat position; Figure 5 is a right side view of the foot covering of Figure 1 in a flat position; Figure 6 is a left side view of the foot covering of Figure 1 in a flat position; Figure 7 is a front view of the foot covering of Figure 1 in a flat position; Figure 8 is a rear view of the foot covering of Figure 1 in a flat position; Figure 9 is a front view of the foot covering of Figure 1 in a partially open position; Figure 10 is a partial, top and rear perspective view of the foot covering of Figure 1 mounted to a mattress and in its environment; Figure 11 is a top and rear perspective view of the foot covering in accordance with a second variant of the design in a mattress mounting position; Figure 12 is a top and front perspective view of the foot covering of Figure 11 in a mattress mounting position; Figure 13 is a top plan view of the foot covering of Figure 11 in a flat position; Figure 14 is a right side view of the foot covering of Figure 11 in a flat position; Figure 15 is a left side view of the foot covering of Figure 11 in a flat position; Figure 16 is a top and rear perspective view of the foot covering in accordance with a third variant of the Design in a mattress mounting position; Figure 17 is a top and front perspective view of the foot covering of Figure 16 in a mattress mounting position; Figure 18 is a top plan view of the foot covering of Figure 16 in a flat position; Figure 19 is a right side view of the foot covering of Figure 16 in a flat position; and Figure 20 is a left side view of the foot covering of Figure 16 in a flat position.