1: Nightwear and jersey top added in afterthought (3)
2: Material for men-at-arms (9)
3: Mimic has to leave the ground (4,3)
4: Edible root on grapevine equals 200 milligrams (5)
6: Treads for one of the family (7)
8: Ms. Messing to remove underwear? (5)
11: And not in town, ordinarily (3)