New other Miken RZR Jr. Big Barrel 10 Alloy 28 18 Senior League Baseball Bat Golf Independent clo testing by Kansas 31 18.5:orange Independent clo testing by Kansas State University has shown that ThermoBall has warmth equivalent to 600 fill goose down FULL LENGTH COVERAGE for cold weather protection right down to the ankles X FIT integrates a wraparound external X support for unparalleled comfort and fit LOW RISE CUT designed specifically for female athletes with a ventilated inside cup pocket and comfort fit waistband PELVIC PROTECTOR designed with dual density composite foam for low profile protection and superior comfort Constructed with supportive four way stretch fabric that wicks moisture away from the skin T3000 Miken's extrusion process maximizes performance and durability which allows for even thinner walls creating the ultimate sweetspot zone Balanced weight distribution to maximize swing speed