I agree on the pants, seen a few images showing the same color as the undershirt
Uniformity across CRL's is a good idea
Gloves I would suggest it be the same as L2 of the ROTK CRL
Gloves
Black in color, made of Nomex, leather, or leather-like material, with no visible straps or logos/designs. The fingers are enclosed, non-textured. Rubber ANH style gloves are not permitted.
OPTIONAL Level two certification (if applicable):
The base material of the gloves will be a black synthetic material similar to Lycra, Spandex, Elastane, or Nylon.
Palms of gloves shall be shiny black fabric or leather or leather-like material.
On the index finger shall be a stitched piece of fabric made from the same material as the hand's underside that while stitched to the finger has one cutout towards the end of the finger that reveals the netted material underneath.
Gloves shall have the correct leather pattern along the fingers/palm.
Hot Toys glove reference