 The body of M. inclemens is only sparsely covered with hairs and scales .: 2 A female of Maevia inclemens is 6.5 to 8.0 millimetres (0.26 to 0.31 in) long ,: 3-4 her carapace is light brown, her legs are pale and unmarked. The top of her abdomen is chalky: 3-4 or rusty colored, and along each side is a black band, often thinly covered with orange scales. Sometimes there is series of chevrons (V-shaped markings) along the middle of her abdomen .: 3-4 She has a prominent white stripe below the foremost eyes. There are spines on the first and second pair of her legs, but her body never has tufts of hair .: 3-4 Males are 4.75 to 6.50 millimetres (0.187 to 0.256 in) long, and their carapaces are light to dark brown, with a black line around the edge. There usually is a pair of large lighter areas between the last pair of eyes halfway down the back of the carapace. The eyes are surrounded by black .: 3-4 Males occur in two forms, a very rare phenomenon in zoology. The "tufted" morph has a totally black body, black pedipalps, white legs and three tufts of bristles on the front part of the cephalothorax. The "gray" male morph has a black and white striped body, a prominent white stripe on the foremost eyes, striped legs and bright orange pedipalps, and no tufts .: 161-162
