{"product_id":"weighted-training-balls","title":"ウェイトトレーニングボール","description":"\u003cdiv class=\"product-description\"\u003e\n  \u003ch2\u003eThe Weighted Balls Carlos Used in Pro Training\u003c\/h2\u003e\n\n  \u003cp\u003eWeighted-ball training is standard at the professional level — arm-strength development, mechanics refinement, grip feel work. Kachi's weighted training balls are pro-spec: multiple weight variants in a matched set, consistent diameter for realistic grip feel, durable construction that survives thousands of throws.\u003c\/p\u003e\n\n  \u003ch3\u003eSet Includes\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003e\n\u003cstrong\u003eWeights:\u003c\/strong\u003e 4 oz, 5 oz, 6 oz, 7 oz, 9 oz, 11 oz (6-ball set)\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eDiameter:\u003c\/strong\u003e Standard baseball diameter across all weights\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Synthetic leather covering, high-density core\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eColor-coded:\u003c\/strong\u003e Each weight is a different color for easy identification\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch3\u003eFrom Carlos\u003c\/h3\u003e\n\n  \u003cblockquote\u003e\n    \u003cp\u003e\"Weighted-ball training was a key part of my development as a professional player. These tools help build the strength and coordination needed for elite performance.\"\u003c\/p\u003e\n    \u003cfooter\u003e— Carlos Castillo, Former MLB Pitcher\u003c\/footer\u003e\n  \u003c\/blockquote\u003e\n\n  \u003cp\u003e\u003cstrong\u003eA note:\u003c\/strong\u003e Weighted ball training should be progressed carefully. Consult a qualified pitching coach before starting a weighted-ball program, especially with youth players. Kachi does not recommend weighted-ball training for players under age 13.\u003c\/p\u003e\n\n  \u003cp\u003eLifetime craftsmanship guarantee · Free US shipping over $150 · Shipped from Miami · Questions: \u003ca href=\"mailto:hello@kachigloves.com\"\u003ehello@kachigloves.com\u003c\/a\u003e\u003c\/p\u003e\n\n\u003c\/div\u003e","brand":"Kachi Sports","offers":[{"title":"Default Title","offer_id":47053521354971,"sku":null,"price":24.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0770\/8383\/6635\/files\/weighted-training-balls-skill-development-kachi-sports-7189997.png?v=1755026131","url":"https:\/\/kachigloves.myshopify.com\/ja\/products\/weighted-training-balls","provider":"Kachi Sports","version":"1.0","type":"link"}