Stoking up the heat with the TDS Infrared Thermal Defense System to bring you warmth where you need it and less bulk where you don't. The TDS 2L GORE-TEX jacket combines our infrared thermal panels that maintain body heat, with the waterproof protection of a fully-taped GORE-TEX 2-Layer shell and a Zip Tech Jacket to pant interface for durable defense against the elements for a jacket that will go with you from the groomers to the most inhospitable out-of-bounds stash.