Illuminator Sensor Gloves Black â Medium. Built for repelling wicked weather on an alpine ridge or shielding from cold smoke on the hill, the versatile, warm and waterproof Illuminator Sensor Gloves are undercuff-style alpine climbing/ski gloves equipped with touch-screen compatible Sensor technology, so you can snap a summit shot without exposing your hands to sub-zero temps. The Illuminators hold in the heat with PrimaLoft insulation, shield from the elements with a waterproof, breathable Ventia insert, and provide supreme tactility and dexterity with a water-resistant goat leather palm.