{"product_id":"pronine-underload-training-bat","title":"ProNine Underload Training Bat - Bamboo - 33 Inch 27 oz","description":"\u003cdiv\u003e\n\u003cp\u003eThe ProNine Underload training bat is the fast half of speed training: a durable bamboo bat at 33 inches and 27 oz, light enough to swing faster than game weight and teach the body what faster feels like. Sold individually.\u003c\/p\u003e\n\n\u003ch3\u003eTraining the Speed Side\u003c\/h3\u003e\n\u003cp\u003eUnderload work is the overspeed principle from sprint and throwing programs applied to the swing: move lighter faster, and the nervous system learns to fire at rates a game-weight bat never demands. ProNine builds the Underload as a light bat to train speed, full stop.\u003c\/p\u003e\n\n\u003ch3\u003eHalf of a System\u003c\/h3\u003e\n\u003cp\u003eThe \u003ca href=\"\/products\/pronine-overload-training-bat\"\u003eOverload bat\u003c\/a\u003e is the strength half; this is the speed half. Alternate rounds of each, finish on the game bat, and keep the reps in tee and soft toss work where mechanics stay honest.\u003c\/p\u003e\n\n\u003ch3\u003eWhere It Fits\u003c\/h3\u003e\n\u003cp\u003eFastpitch players have their own tool in the \u003ca href=\"\/products\/pronine-fpwtb-fastpitch-weighted-training-bat\"\u003eFPWTB weighted fastpitch trainer\u003c\/a\u003e, and path work belongs to the \u003ca href=\"\/products\/pronine-iptb-ideal-path-training-bat\"\u003eIdeal Path\u003c\/a\u003e. The full rack lives in the \u003ca href=\"\/collections\/training-bats\"\u003etraining bats collection\u003c\/a\u003e.\u003c\/p\u003e\n\u003cp\u003eLike all ProNine training bats, it is built for tee work and soft toss: ProNine does not recommend training bats for live pitching, and that honesty is why they last.\u003c\/p\u003e\n\u003ch3\u003eProNine Underload Bat Specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eLength: 33 inches\u003c\/li\u003e\n\u003cli\u003eWeight: 27 oz\u003c\/li\u003e\n\u003cli\u003eMaterial: Durable bamboo\u003c\/li\u003e\n\u003cli\u003eSold as: Each\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eIs 27 oz really an underload?\u003c\/h4\u003e\n\u003cp\u003eFor most adult players swinging 30-31 oz game bats, yes: a 3-4 oz drop is squarely in the common underload band. Youth players swinging lighter game bats should treat it as closer to game weight.\u003c\/p\u003e\n\u003ch4\u003eHow many underload swings per session?\u003c\/h4\u003e\n\u003cp\u003eQuality beats volume: short, maximum-intent rounds with full recovery. When swing speed visibly drops, the set is over.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"ProNine Sports","offers":[{"title":"Default Title","offer_id":51473709007163,"sku":"P15-UNDERBAT","price":79.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0957\/4658\/8987\/files\/img1_814c9417-18bc-4b9a-a8c7-9865459e4580.jpg?v=1784233074","url":"https:\/\/www.hittingstore.com\/products\/pronine-underload-training-bat","provider":"HittingStore","version":"1.0","type":"link"}