Features and Benefits: Enhanced cushioning under the heel adds comfort

This model Z-Core has the biggest sweet spot and longest aluminum BBCOR barrel in baseball

while a felt-lined top pocket keeps your personal items safe

GuideRails keep you moving comfortably by keeping excess movement in check

100% nylon-tricot backer

New Tervis 30 oz Seattle Mariners MLB Stainless Steel Tumbler Blue/Green Onix/Carbon Metallic/Aluminum Features and Benefits: Enhanced cushioningSupport your favorite team with this 30 oz stainless steel tumbler. Splash proof, shatter proof and easy close lid. Up to 24 hours ice cold or 8 hours piping hot. Double wall insulation to keep hot drinks hot and cold drinks cold Splash proof, shatter proof and easy close lid Up to 24 hours ice cold or 8 hours piping hot