Once the weather cools of, it's important to keep warm between sets or before matches. The Fila Baseline Warm Up Jacket is lined with soft, brushed tech fleece to help you stay loose and keep warm. Full length front zipper. Self fabric stand up collar with internal taping in the back to reduce irritation. Soft, brushed tech fleece lining for added comfort and warmth. Welt pockets for storage. Ribbed sleeve cuffs and waistband.