It's quiet during the swing and protects against wind, rain and cold – without bulk and without restricting movement. Thanks to this layer, there is no off-season, no matter where you play. UA Storm Technology – Repels water without compromising breathability. Durable stretch fabric with fleece lining - Lightweight, warm and naturally stretchy. Four-way stretch material - Provides freedom of movement in every direction. Quilted Insulation on Chest - Provides warmth without sacrificing bulk. Secure zippered pockets – Practical for hands and storage of small items. Built-in T-shirt holder – Located virtually on the user's right side.