The ornamental design for a pair of suspenders with cooler, as shown and described.
FIG. 1 is a front perspective view of a pair of suspenders with cooler, showing the new design, shown in a compressed state;
FIG. 2 is a front elevational view thereof;
FIG. 3 is a rear elevational view thereof;
FIG. 4 is a left side elevational view thereof;
FIG. 5 is a right side elevational view thereof;
FIG. 6 is a front perspective view of the pair of suspenders with cooler, shown in an alternate configuration with the cooler in a state of use;
FIG. 7 is a front elevational view thereof;
FIG. 8 is a left side elevational view thereof; and,
FIG. 9 is a right side elevational view thereof.
The broken lines shown in the drawings depict portions of the pair of suspenders with cooler that form no part of the claimed design. The broken line showing the clothed humanoid figure and shoes in the drawings depict environment that forms no part of the claimed design.