NK UTILITY HEAT BKPK-GFXNike Utility Heat Graphic Training Backpack DURABLE STORAGE FOR HITTING THE GYM. The Nike Utility Heat Backpack keeps you ready for your workout and beyond. It has space for a laptop and plenty of room for shoes and clothes. Shoulder straps with Max Air cushioning keep it comfortable for carrying throughout the day. Hold It All The zippered main compartment opens wide and flat and has an inner mesh pocket. A padded, zippered sleeve holds a laptop up