Puma pwr warm wind vests are a great alternative to a full sleeve top and they provide you with greater freedom to move the full length zipper makes it easier for putting on and taking off also the clever 2 way zipper means no more jammed zippers bonus the wonderful pwr brushed back fleece fabric helps to maintain your bodys natural temperature and its exceptionally lightweight so very easy to wear also the hem has an adjustable pull cord for additional comfort and protection from the el