Hi tec hayder waterproof shell the hayder pack in bag jacket is lightweight stylish offering protection during a huge downpoor or warmth during a stroll in the park 100 polyester fabric 10k10k fully seam sealed full zip with waterproof coating fixed hood with elasticated adjustability 4 external pockets internal security pocket stretch pack away bag with elasticated draw cord mens chest size conversion small 38 medium 40 large 42 x large 44 xx large 46