{"title":"Karting Underlayers","description":"\u003cp\u003eKarting underlayers at UPR Racing Supply. Moisture-wicking kart racing base layer tops, bottoms, balaclavas and socks from Alpinestars, Sparco and more in youth and adult sizes. Ready to ship.\u003c\/p\u003e","products":[{"product_id":"tech-kx-top","title":"Alpinestars Tech KX Short Sleeve Karting Top","description":"\u003cul\u003e\n\u003cli\u003eUltra-light weight, and offering maximum breathability and ventilation, the Tech KX Top has superior moisture wicking performance\u003c\/li\u003e\n\u003cli\u003eDesigned with flat seams and welded hems for less pressure points\u003c\/li\u003e\n\u003cli\u003eA premium athletic performance base layer, the Tech KX Top features an ergonomic cut and optimized pattern for enhanced freedom of movement and superior fit\u003c\/li\u003e\n\u003cli\u003eTechnical fabrics are engineered to be ultra-lightweight and stretchable, while also delivering superior airflow thanks to the highly breathable stretch mesh zones on the upper back and under the arms\u003c\/li\u003e\n\u003cli\u003eFlat stretch seam construction on arms, back, and torso for enhanced range of movement and comfort\u003c\/li\u003e\n\u003cli\u003eSeamless bonded collar, hem, and sleeves for enhanced driver comfort\u003c\/li\u003e\n\u003cli\u003eSublimated and digital print fade-resistant logos\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCertification\/Homologation:\u003c\/strong\u003e Not homologated – karting base layer\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Alpinestars","offers":[{"title":"S \/ Black","offer_id":52800269156635,"sku":"4750125-10-S","price":99.95,"currency_code":"USD","in_stock":true},{"title":"M \/ Black","offer_id":52800269091099,"sku":"4750125-10-M","price":99.95,"currency_code":"USD","in_stock":true},{"title":"L \/ Black","offer_id":52800269025563,"sku":"4750125-10-L","price":99.95,"currency_code":"USD","in_stock":true},{"title":"XL \/ Black","offer_id":52800269222171,"sku":"4750125-10-XL","price":99.95,"currency_code":"USD","in_stock":true},{"title":"S \/ White","offer_id":52800269189403,"sku":"4750125-20-S","price":99.95,"currency_code":"USD","in_stock":true},{"title":"M \/ White","offer_id":52800269123867,"sku":"4750125-20-M","price":99.95,"currency_code":"USD","in_stock":true},{"title":"L \/ White","offer_id":52800269058331,"sku":"4750125-20-L","price":99.95,"currency_code":"USD","in_stock":true},{"title":"XL \/ White","offer_id":52800269254939,"sku":"4750125-20-XL","price":99.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0921\/2710\/1211\/files\/4750125-10-fr_tech-kx-top_f5347d1d-7350-441e-9a42-ae6c45e14a12.png?v=1793119295"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0921\/2710\/1211\/collections\/safety-gear_c00d0bf5-8b54-4514-a795-64f723193718.png?v=1746660281","url":"https:\/\/upr-racing.myshopify.com\/collections\/karting-underlayers.oembed","provider":"UPR Racing Supply","version":"1.0","type":"link"}