They won't be sex-linked, but otherwise, they should be healthy birds; probably even good layers (though very likely not as good as their RSL parents).
Lohmans is one of many labels under which some hatcheries market their Red Sex Links, which are produced by crossing a red gene rooster with a silver gene hen. Not only can the resulting offspring be sexed by color from hatching (male chicks are whitish, female chicks are reddish), but they...