P.J. Salvage Boyfriend Boxer Horse Print Shorts Set in Gray. Sleep just hits different in a cozy thermal set that’s cute, comfy, and full of personality. This soft waffle-knit duo pairs a long-sleeve top with boxer-style shorts, both crafted from our baby peachy fabric with the perfect brushed feel. Covered in a galloping white horse motif, the soft grey set brings a free-spirited feel that’s made for unwinding without a care.