St. John's Bay Gray Full Zip Fleece Jacket Mock Neck Mens Medium 🚚 Ships fast, well packaged. Pre-owned with no visible wear. MEASUREMENTS IN PHOTOS. Pit to pit: 20 in. St. John's Bay full zip fleece jacket in gray. Mock neck with ribbed collar, cuffs, and hem. 100% polyester body, cotton ribbing at collar, cuffs, and hem. Made in Vietnam. Size medium.