Mizuno Lightweight Vests: The new Lightweight Vests from Mizuno, these Vests are easily packed & the ideal layer for early morning starts during spring/summer or cooler early evenings. The Vests are a lightweight layer which can be worn for golf or casually, the Vests are the perfect crossover tops. Stretch panels (Mizuno Move Tech) have been incorporated into the sides & back to aid movement during & throughout the swing.