{"product_id":"castiron-grip-one-youth-velcro-climbing-shoe","title":"Castiron Grip ONE — Youth Velcro Climbing Shoe","description":"\u003cp\u003e\u003cstrong\u003eThe wall doesn't care how old you are. The ONE doesn't either.\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eYoung climbers who are serious about the sport need a shoe that takes them seriously. The ONE is built for kids who've outgrown beginner footwear and are ready for real performance — a secure velcro closure, flexible sole, and high-friction rubber that reads the hold before they do.\u003c\/p\u003e\u003cp\u003eNot a starter shoe. Not a toy. A proper climbing shoe built to the Castiron standard — just sized for the next generation.\u003c\/p\u003e\u003cp\u003e\u003cem\u003eFormerly Rock Planet ONE — same production, same performance. Castiron standard.\u003c\/em\u003e\u003c\/p\u003e\u003ch2\u003eBuilt For\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eYouth and junior climbers progressing beyond beginner level\u003c\/li\u003e\n\u003cli\u003eIndoor bouldering — gym walls, youth circuits, competition prep\u003c\/li\u003e\n\u003cli\u003eSport climbing — first routes, building technique and footwork\u003c\/li\u003e\n\u003cli\u003eClimbing clubs and youth programmes\u003c\/li\u003e\n\u003cli\u003eKids who are serious about the sport, not just trying it\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eTechnical Specs\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eClosure:\u003c\/strong\u003e Velcro — fast, secure, adjustable between problems\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSole:\u003c\/strong\u003e High-friction rubber — precision grip on gym holds, slab, and vertical\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eToe box:\u003c\/strong\u003e Slightly tapered — more precision than a beginner shoe, no aggressive downturn\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUpper:\u003c\/strong\u003e Synthetic microfiber — durable, breathable, easy to clean\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeel:\u003c\/strong\u003e Structured heel cup — secure lockdown for dynamic movement\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSizes:\u003c\/strong\u003e EU28–35 (US 10C–4Y)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eColours:\u003c\/strong\u003e Yellow, Black, Orange\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e Lightweight — built for young climbers moving fast on the wall\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eWhy Velcro for Youth Climbers?\u003c\/h2\u003e\u003cp\u003eVelcro gives young climbers the best of both worlds — the precision of a performance shoe with the convenience of fast on\/off between problems. No laces to tie mid-session. No slip-on looseness. Just a secure, adjustable fit that stays locked in whether they're on a slab, a vertical face, or their first overhang.\u003c\/p\u003e\u003cp\u003eThe ONE's slightly tapered toe box introduces young climbers to performance fit without the discomfort of an aggressive downturn. It's the bridge between the Little ALIEN and the adult PR23 — the shoe that builds the footwork habits that last a career.\u003c\/p\u003e\u003ch2\u003eThe Castiron Grip Standard\u003c\/h2\u003e\u003cp\u003eEvery Castiron Grip shoe is built to the same performance standard — from the ONE to the advanced PR23 and N23. The rubber compound, the construction quality, the attention to fit — none of that changes based on age or price point. Young climbers deserve the same standard as adults on the wall.\u003c\/p\u003e\u003cp\u003eThe ONE is where serious youth climbing begins. The PR23 and N23 are where it goes next.\u003c\/p\u003e\u003ch2\u003eSizing Guide\u003c\/h2\u003e\u003cp\u003eThe ONE runs true to EU size. Order your child's normal EU shoe size for a comfortable fit. For a snugger performance fit, size down 0.5 EU. EU28–35 covers youth climbers from approximately age 6 through to junior competition level.\u003c\/p\u003e\u003cp\u003eUS size equivalents: EU28 = US 10C · EU29 = US 11.5C · EU30 = US 12C · EU31 = US 13C · EU32 = US 1Y · EU33 = US 2Y · EU34 = US 3Y · EU35 = US 4Y\u003c\/p\u003e\u003ch2\u003eFormerly Rock Planet\u003c\/h2\u003e\u003cp\u003eThe ONE was previously sold as Rock Planet ONE — used in youth climbing programmes and clubs across Europe, the UK, Australia, and North America. In 2026, the Rock Planet climbing line became Castiron Grip. Same shoe. Same production standards. Castiron identity.\u003c\/p\u003e\u003ch2\u003eFAQ\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eIs this the same as the Rock Planet ONE?\u003c\/strong\u003e\u003cbr\u003eYes. Same production, same performance standards, same shoe. Rebranded under Castiron Grip in 2026.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat age is the ONE for?\u003c\/strong\u003e\u003cbr\u003eEU28–35 typically fits children aged 6–12 depending on foot size. It's designed for youth climbers who are progressing beyond their first climbing shoe and want more performance.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat's the difference between the ONE and the Little ALIEN?\u003c\/strong\u003e\u003cbr\u003eThe Little ALIEN is a slip-on beginner shoe — flat profile, easy on\/off, ideal for first-timers. The ONE has a velcro closure and a slightly tapered toe box, giving more precision and performance for youth climbers who are developing their technique.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhen should my child move to the ONE from the Little ALIEN?\u003c\/strong\u003e\u003cbr\u003eWhen they're climbing consistently and want more precision from their shoe — typically after 3–6 months of regular climbing. The velcro closure and tapered toe box of the ONE will immediately improve their footwork on technical holds.\u003c\/p\u003e","brand":"Castiron Grip","offers":[{"title":"Default Title","offer_id":48972221350138,"sku":"ONE","price":69.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0653\/3313\/3562\/files\/1_08876b71-efd2-49e9-96b4-2573d3aa25b2.jpg?v=1780755222","url":"https:\/\/www.castiron-lift.com\/ru\/products\/castiron-grip-one-youth-velcro-climbing-shoe","provider":"Castiron Lift","version":"1.0","type":"link"}