FIT & DESIGN: IMPERMALITE(R): Superior water protection. A lightweight, breathable, microweave shell provides unsurpassed performance and comfort. 4-Way Stretch Woven Material 1/4 zip Wind resistant Side Expansion Zipper For Easy On/Off ADDITIONAL DETAILS: The hitting jacket perfected. Made with a premium, comfortable and ultra lightweight stretch woven fabric that is also wind resistant. Designed with a front 1/4 zip construction and 1/4 zip side expansion opening to make this the ultimate hitting jacket.