3253 KUHL Men's Reactiv Lite Grid 1/4 Zip The REACTIV Lite Grid 1/4 Zip features graphene-infused fabric that quickly retains or expels heat as your body demands — lighter weight, better breathability, and more precise temperature regulation. Grid patterning promotes air circulation, wicks moisture, and improves compressibility. Soft, next-to-skin comfort with built-in odor resistance and an active, layering fit. NEVER SETTLE! 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 Grid pattern on fabric interior promotes air circulation Breathable Moisture wicking Soft and comfortable interior 3D articulated patterning for ease of movement Form-fitting design makes it perfect for layering Constructed with 2 different fabric for the ultimate in temperature regulation Approximate Garment Weight: 220 G | 7.8 oz Fabric 100% Polyester | 140 GSM 100% Polyester | 154 GSM Product Care Machine wash cold, delicate cycle Do not bleach Tumble dry low