Less weight, greater breathability, and superior temperature regulation! The REACTIV(TM) Lite Grid 1/4 Zip uses high-tech, graphene-infused fabric that expertly retains or expels heat as your body demands. Soft, next-to-skin comfort, built-in odor resistance, and unparalleled layering performance. NEVER SETTLE(TM) TEMPERATURE-REGULATING, GRAPHENE-INFUSED FLEECE FABIC Premium graphene-infused fleece fabric from Italy Graphene has superior heat dispersion technology that expels heat in warm weather and preserves body heat in the cold Odor resistance that never washes out means less washing and more wearing Lightweight | 140 GSM Grid pattern on fabric interior promotes air circulation Breathable Moisture wicking Soft and comfortable interior DIFFERENT BY DESIGN. DIFFERENT BY CONSTRUCTION. 3D articulated patterning for ease of movement Form-fitting design makes it perfect for layering Constructed with 2 different fabrics for the ultimate in temperature regulation Imported MATERIAL AND CARE Polyester Care Instructions Machine wash cold, delicate cycle Do not bleach Tumble dry low