They are 56.5-59.2mm in length, with a forearm length of 35-41mm. These little bats have soft, dense brownish-grey fur with two white stripes on the back and rump. The ventral surface is lighter. The wing is furred dorsally. They have an elongate muzzle, and the calcar is longer than the tibea. A pregnant female was found to weigh 6.0g, almost twice the normal body weight.