{"product_id":"rf-guru-cap","title":"RF.Guru CAP","description":"\u003cstyle\u003e\n\/* RF.Guru Shopify product page styles (standard) *\/\n.rf-article.rf-product {\n  color: #222;\n}\n.rf-article.rf-product h2,\n.rf-article.rf-product h3,\n.rf-article.rf-product h4 {\n  font-weight: 700 !important;\n  margin-top: 1.2em !important;\n  margin-bottom: 0.55em !important;\n  line-height: 1.25 !important;\n}\n.rf-article.rf-product h2 { font-size: 1.65em !important; }\n.rf-article.rf-product h3 { font-size: 1.35em !important; }\n.rf-article.rf-product h4 { font-size: 1.15em !important; }\n.rf-article.rf-product p,\n.rf-article.rf-product li,\n.rf-article.rf-product td,\n.rf-article.rf-product th {\n  font-size: 1.05em !important;\n  line-height: 1.65 !important;\n}\n.rf-article.rf-product p {\n  margin-bottom: 0.85em !important;\n}\n.rf-article.rf-product ul {\n  margin-left: 1.2em !important;\n  margin-bottom: 0.9em !important;\n}\n.rf-article.rf-product ul li {\n  margin-bottom: 0.4em !important;\n}\n.rf-article.rf-product table {\n  width: 100%;\n  border-collapse: collapse;\n  margin: 1em 0;\n}\n.rf-article.rf-product th,\n.rf-article.rf-product td {\n  border: 1px solid #ddd;\n  padding: 8px 10px;\n  text-align: left;\n  vertical-align: top;\n}\n.rf-article.rf-product thead th {\n  background: #f7f7f7;\n}\n.rf-article.rf-product .inline-note {\n  color: #8a8a8a;\n  font-style: italic;\n}\n.rf-article.rf-product .complementary-note {\n  background: #f7f7f7;\n  border: 1px solid #ddd;\n  border-radius: 6px;\n  padding: 1em;\n  margin: 1.2em 0;\n}\n.rf-article.rf-product .related-reading {\n  background: #fff8e5;\n  border: 1px solid #f0d78c;\n  border-radius: 6px;\n  padding: 0.9em;\n  margin: 1.2em 0;\n}\n.rf-article.rf-product .related-reading b {\n  color: #b26d00;\n}\n.rf-article.rf-product .related-reading a {\n  display: block;\n  margin-top: 0.35em;\n}\n.rf-article.rf-product .tech-box {\n  background: #eef6fb;\n  border: 1px solid #c6d9e8;\n  border-radius: 6px;\n  padding: 1em;\n  margin-top: 1.5em;\n  margin-bottom: 1.5em;\n  font-size: 0.95em;\n  line-height: 1.5em;\n}\n.rf-article.rf-product .product-cta {\n  background: #f7f7f7;\n  border: 1px solid #ddd;\n  border-radius: 6px;\n  padding: 1em;\n  margin: 1.4em 0;\n}\n.rf-article.rf-product .rf-figure {\n  margin: 1.2em 0;\n}\n.rf-article.rf-product .rf-figure img {\n  width: 100%;\n  height: auto;\n  border-radius: 8px;\n  display: block;\n}\n.rf-article.rf-product .rf-figure figcaption {\n  color: #777;\n  font-size: 0.92em;\n  line-height: 1.45em;\n  margin-top: 0.45em;\n  font-style: italic;\n}\n.rf-article.rf-product .mini-faq {\n  background: #f9f9f9;\n  border: 1px solid #ddd;\n  border-radius: 6px;\n  padding: 1em;\n  margin-top: 2em;\n}\n.rf-article.rf-product .mini-faq h3 {\n  margin-top: 0 !important;\n}\n.rf-article.rf-product .mini-faq ul {\n  list-style: none;\n  padding-left: 0;\n  margin-left: 0 !important;\n}\n.rf-article.rf-product .mini-faq li {\n  margin-bottom: 0.75em !important;\n}\n.rf-article.rf-product .mini-faq li b {\n  margin-right: 0.3em;\n}\n.rf-article.rf-product .author-bio {\n  border-left: 4px solid #ccc;\n  padding-left: 0.8em;\n  margin-top: 1.5em;\n  margin-bottom: 0.5em;\n  font-style: normal;\n  font-size: 0.95em;\n  line-height: 1.4em;\n}\n.rf-article.rf-product .author-bio b {\n  font-weight: 700;\n}\n.rf-article.rf-product .author-bio b a {\n  text-decoration: none;\n}\n\u003c\/style\u003e\n\u003cdiv class=\"rf-article rf-product\"\u003e\n\u003cp\u003eThe RF.Guru stitched logo cap is a clean, practical everyday cap for radio amateurs, field operators, contest teams, antenna builders, and everyone who prefers their shack wear with a little more RF attitude.\u003c\/p\u003e\n\u003cp\u003eThis cap is based on a quality Strauss cap and finished with a stitched RF.Guru logo. No printed sticker look, no disposable promo feel... just a comfortable cotton cap with a durable embroidered logo.\u003c\/p\u003e\n\u003cdiv class=\"complementary-note\"\u003e\n\u003cb\u003eOfficial RF.Guru merchandise:\u003c\/b\u003e this cap is made for operators who want something subtle, practical, and recognizable without turning themselves into a walking billboard.\u003c\/div\u003e\n\u003cdiv class=\"product-cta\"\u003e\n\u003ch3\u003e\u003cb\u003eReady for the Shack, the Field, and the Ham Fair\u003c\/b\u003e\u003c\/h3\u003e\n\u003cp\u003eWhether you are tuning antennas outside, walking around a radio rally, visiting a club event, or operating portable, this cap keeps the look simple and professional.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"related-reading\"\u003e\n\u003cb\u003eRelated RF.Guru links:\u003c\/b\u003e \u003ca href=\"https:\/\/shop.rf.guru\/pages\/technical-deep-dives\"\u003eExplore RF.Guru technical deep-dive articles\u003c\/a\u003e \u003ca href=\"https:\/\/shop.rf.guru\/pages\/subscribe\"\u003eSubscribe to the RF.Guru technical newsletter\u003c\/a\u003e \u003ca href=\"https:\/\/shop.rf.guru\/pages\/contact\"\u003eContact RF.Guru for questions or support\u003c\/a\u003e\n\u003c\/div\u003e\n\u003ch3\u003e\u003cb\u003eWhy This Cap Exists\u003c\/b\u003e\u003c\/h3\u003e\n\u003cp\u003eRF.Guru is not a fashion brand. We build antennas, RF components, receive systems, and technical content for people who care about what happens between the feedpoint, the coax, the ground system, and the ionosphere.\u003c\/p\u003e\n\u003cp\u003eBut sometimes, a simple cap is useful. It belongs in the car, in the shack, on a portable setup, at a ham fair, or next to the antenna analyzer when the sun decides to appear exactly when you are trying to read the display.\u003c\/p\u003e\n\u003ch3\u003e\u003cb\u003eProduct Highlights\u003c\/b\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eQuality Strauss cap as the base garment\u003c\/li\u003e\n\u003cli\u003eStitched RF.Guru logo for a durable, professional look\u003c\/li\u003e\n\u003cli\u003eBlack cap color for a clean and understated style\u003c\/li\u003e\n\u003cli\u003eFixed visor\u003c\/li\u003e\n\u003cli\u003eOne-size design\u003c\/li\u003e\n\u003cli\u003eContinuously adjustable fit with Velcro closure\u003c\/li\u003e\n\u003cli\u003e100% cotton upper material\u003c\/li\u003e\n\u003cli\u003eComfortable for daily use, ham fairs, field work, portable operation, and club events\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv class=\"tech-box\"\u003e\n\u003cb\u003eNot just printed:\u003c\/b\u003e the RF.Guru logo is stitched into the cap. Embroidery gives a more durable and professional finish than a simple printed transfer, especially for an item that may see real outdoor use.\u003c\/div\u003e\n\u003ch3\u003e\u003cb\u003eSpecifications at a Glance\u003c\/b\u003e\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eFeature\u003c\/th\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct type\u003c\/td\u003e\n\u003ctd\u003eCap with stitched RF.Guru logo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBase cap\u003c\/td\u003e\n\u003ctd\u003eStrauss e.s. Cap color\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eColor\u003c\/td\u003e\n\u003ctd\u003eBlack\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLogo\u003c\/td\u003e\n\u003ctd\u003eStitched RF.Guru logo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaterial\u003c\/td\u003e\n\u003ctd\u003e100% cotton upper material\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSize\u003c\/td\u003e\n\u003ctd\u003eOne size\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAdjustment\u003c\/td\u003e\n\u003ctd\u003eContinuously adjustable Velcro closure\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVisor\u003c\/td\u003e\n\u003ctd\u003eFixed visor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCare\u003c\/td\u003e\n\u003ctd\u003eHand wash only; do not bleach, tumble dry, iron, or dry clean\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003e\u003cb\u003eWhere It Fits Best\u003c\/b\u003e\u003c\/h3\u003e\n\u003cp\u003eThis cap is ideal for practical radio use rather than fashion posing. It fits naturally into the places where RF.Guru equipment is normally found: near antennas, analyzers, receive systems, portable stations, and slightly suspicious-looking field setups involving too much coax.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eHam radio fairs and club events\u003c\/li\u003e\n\u003cli\u003ePortable HF, VHF, and field-day operation\u003c\/li\u003e\n\u003cli\u003eAntenna testing and installation work\u003c\/li\u003e\n\u003cli\u003eContest station support teams\u003c\/li\u003e\n\u003cli\u003eEveryday shack and workshop use\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv class=\"product-cta\"\u003e\n\u003ch3\u003e\u003cb\u003eWear the Lab Without Carrying the Lab\u003c\/b\u003e\u003c\/h3\u003e\n\u003cp\u003eThe RF.Guru stitched logo cap is a simple way to show the brand without needing a mast, a balun, an analyzer, and a 40-meter wire attached to your backpack.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ch3\u003e\u003cb\u003eCare Instructions\u003c\/b\u003e\u003c\/h3\u003e\n\u003cp\u003eTo keep the cap and stitched logo in good condition, we recommend careful hand washing only. Do not bleach, tumble dry, iron, or dry clean.\u003c\/p\u003e\n\u003cp\u003e\u003cspan class=\"inline-note\"\u003eAs with all textile products, slight variations in stitching position, fabric texture, and appearance may occur.\u003c\/span\u003e\u003c\/p\u003e\n\u003cdiv class=\"mini-faq\"\u003e\n\u003ch3\u003e\u003cb\u003eMini-FAQ\u003c\/b\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eIs the RF.Guru logo printed or stitched?\u003c\/b\u003e The logo is stitched for a more durable and professional finish.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eIs the cap adjustable?\u003c\/b\u003e Yes. The cap uses a Velcro closure for continuous size adjustment.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eWhat size is the cap?\u003c\/b\u003e It is a one-size cap with adjustable fit.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eWhat material is used?\u003c\/b\u003e The upper material is 100% cotton.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eCan I machine wash it?\u003c\/b\u003e We recommend hand washing only to protect the cap and embroidery.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cp\u003eInterested in more technical content? \u003ca href=\"https:\/\/shop.rf.guru\/pages\/subscribe\"\u003eSubscribe to our updates for deep-dive RF articles and lab notes.\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003eQuestions or experiences to share? Feel free to \u003ca href=\"https:\/\/shop.rf.guru\/pages\/contact\"\u003econtact RF.Guru for technical support and product questions\u003c\/a\u003e.\u003c\/p\u003e\n\u003cdiv class=\"author-bio\"\u003e\n\u003cb\u003eWritten by Joeri Van Dooren, \u003ca href=\"https:\/\/on6ure.be\"\u003eON6URE\u003c\/a\u003e\u003c\/b\u003e – RF engineer, antenna designer, and founder of RF.Guru, specializing in high-performance HF\/VHF antennas and RF components.\u003c\/div\u003e\n\u003cscript type=\"application\/ld+json\"\u003e\n  {\n    \"@context\": \"https:\/\/schema.org\",\n    \"@type\": \"FAQPage\",\n    \"mainEntity\": [\n      {\n        \"@type\": \"Question\",\n        \"name\": \"Is the RF.Guru logo printed or stitched?\",\n        \"acceptedAnswer\": {\n          \"@type\": \"Answer\",\n          \"text\": \"The RF.Guru logo is stitched into the cap for a more durable and professional finish than a simple printed transfer.\"\n        }\n      },\n      {\n        \"@type\": \"Question\",\n        \"name\": \"Is the RF.Guru cap adjustable?\",\n        \"acceptedAnswer\": {\n          \"@type\": \"Answer\",\n          \"text\": \"Yes. 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