Shop Boys's at RalphLauren.com, the Official Site of Ralph Lauren. Hooded Baseball Jacket - This lightweight baseball jacket features a detachable hood and our signature embroidered pony. Tipped rib-knit baseball collar. Detachable hood. Full-zip front. Long sleeves with tipped rib-knit cuffs. Zip pocket at each side of the waist. Tipped rib-knit hem. Fully lined. Our signature embroidered pony accents the left chest. Shell and lining: 100% polyester. Cuffs, collar and hem: 87.5% cotton; 11.5% nylon; 1% elastane. Machine washable.