Standard fit for a relaxed, easy feel Reflective design details Body: 100% nylon. Fill: 100% polyester. BREATHABLE, LIGHTWEIGHT WARMTH WITH A WILD PRINT. Lightweight, insulated and warm, the Nike AeroLayer Gilet helps keep the rough weather at bay. Its bold look captures the irreverent spirit of running. Light Warmth- Nike AeroLayer technology utilises a layer of lightweight insulation between a water-resistant shell and a breathable lining to provide warmth and breathability. Run Wild- Part of the Wild Run collection, this jacket is re-imagined to showcase the culture of Running. Its print nods to the irreverent spirit of running, with a look that reads the same forwards and backwards. The polyester fill gives warmth without the weight. Zip hand pockets for secure storage. Stretchy side panels let you move freely.