The Donovan Course Jacket from Oscar Jacobson a lightweight 3-layer wind & shower proof jacket that offers outstanding playability & exceptional comfort. The half-zip design is complemented by elasticized cuffs & hem; both offer a high degree of comfort & promote a stylish look. The Donovan has been crafted from 100 % Polyester with a knitted jersey on the inside; the stylish design is complemented by the OJ name written across the left shoulder.