Hortipes irimus is only known from female specimens. The carapace of the spider is a dark yellowcolour, which transitions to a lighter yellow in the fovea. Its legs are yellow to dark yellow, ranging to light orange. The rest of the body including the abdomen and sternum are different shades of yellow, and there is no pattern present on its abdomen. The spider is 2.6 mm long, with a carapace length of about 1 mm and a width of around 0.8 mm.