"Dubinina's naked leg was wrapped in Krivonischenko's woolen pants."
Her leg wasn't naked under the trousers? Here's the autopsy report :-
On the section table there is a corpse of woman dressed as follows: head covered by a knitted helmet. A worn greyish-brown wool sweater with beige wool sweater underneath, checked cowboy shirt with buttoned sleeves. Yellow t-shirt with short sleeves, white cotton bra buttoned with three buttons. The corpse is wearing torn dark cotton trousers with an elastic waistband. The trousers are very torn and burned in places. Left leg – part of the leg and foot are covered with burned grey wool cloth from a jacket with its sleeve. On the left leg there is a torn grey woollen sock. On both legs there are torn blue cotton socks with grey wool machine-knitted socks under them. Black cotton tights, torn in the crotch area, with an elastic waistband. On the legs of the corpse there are light brown cotton stockings. The stocking from the left leg is removed, the right stocking is held with an elastic band.
Grey ladies belt with elastic supports. Satin briefs. The belt is buttoned with black buttons.
So she had a cap on her head, four layers on her upper body and three layers on her legs - torn trousers, tights, stocking on right leg, sleeve of jacket on left leg, two pairs of socks plus jacket on left foot.