Can a woman wear jeans and t shirt at home? Because it is man's clothing.
Women can wear those at home in the presence of Mahrams (Those not permitted to marry). However, if she is with non-Mahrams (those permitted to marry) she must cover herself. The Islamic dress code is divided into two: Public and Private sphere. In the public sphere she must cover everything except for her face and hands (from wrist downwards). In the private sphere she can dress modestly without covering everything as long as she is with mahrams.
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Women can wear jeans or T-shirt in their home in front of their mahrams. Because jeans and shirts is a man clothing and it shouldn't be wore outside so the whole world can see the women. The women should wear those clothes which don't reveal her private parts. It is considered as sin to reveal open arms, open hair and revealing your private parts to non- mahrams. But u can wear whatever u want in front your mahrams e.g Husband, Children, Father, Brother. If a women wants to wear jeans outside then The clothes should be loose fit. The backside should be covered. The arms, legs, chest and hair should also be covered. But u can wear it in your house in front of your mahrams in any style.