Alder Spirit 4mm Wetsuit Gloves The Alder Spirit 4mm wetsuit gloves with FDL (Fast Dry Lining).The Spirit gloves are constructed from 4mm Double-Lined, 100% X-Stretch Neoprene with the amazing FDL Fleecy lining and a Super-Grip palm.These Alder wetsuit gloves tick all the boxes, warmth, flexibility and the ability to drip-dry rapidly. Alder Spirit 4mm Fast Dry Wetsuit Gloves