Fourth Element G1 Dive Glove LinerFourth Element G1 Dive Glove Liner The G1 Glove Liners can be used under drygloves or wet mitts. The 1. 5mm hydrofoam provides the confidence that in the case of a dryglove failure, the glove liners will retain some of the thermal protection they offered when dry, and the bamboo derived fabric lining inside provides excellent thermal protection. The glove liners can be used with traditional thinsulate gloves in a layering system under the drygloves