I often use a hybrid dual clip, but I carry bigger/wider/heaver pieces and like the stability they offer, especially for long 10-16 hour days of carry.

For something the size, weight and very thin width of a shield in a strong side IWB carry, to me it seems to lend itself towards a fairly deep riding, 20 (maybe a touch more depending on your preferences) degree cant, all kydex holster with a single over the belt type of clip. If you plan to tuck in your shirt, you may need to find one made with a j-hook or c-hook type of connection.

This type of holster does not add much to the width or weight and does not absorb sweat. If sweat goes over the top, you should be able to rinse it off and wipe it down (and wipe/oil the gun, too). It's also an easy holster to put on and take off.