{"product_id":"mtl-speedarc-peak-black","title":"MTL SpeedARC Peak BLACK","description":"\u003ch2\u003eMerrell's MTL flagship, built to hold race pace\u003c\/h2\u003e\n\u003cp\u003eThe MTL SpeedARC Peak is a unisex (men's last) trail running shoe designed for propulsion and a stable ride at race pace. It combines a propulsion-focused SpeedARC™ midsole system, a light and strong Matryx®×Kevlar® upper, and a Vibram® MegaGrip Elite outsole, built to hold your pace on technical terrain. At roughly 305g per shoe, with a 30\/24mm stack and a 6mm drop plus a 4mm lug, it balances the rebound and ground feel racing and fast hiking demand.\u003c\/p\u003e\n\n\u003ch2\u003eThe core of the ride: the SpeedARC™ midsole\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eA two-layer construction of PEBA-based FloatPro™ racing foam and a highly durable FloatPro™ foam\u003c\/li\u003e\n\u003cli\u003eA lightweight, fork-shaped Carbon Fiber FlexPlate™ sandwiched in for high-rebound propulsion and stiffness\u003c\/li\u003e\n\u003cli\u003eA 30mm\/24mm stack with a 6mm drop that smooths the transition from climbs to descents\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003ePairing the foam's cushioning and rebound with the carbon plate's stiffness cuts energy loss from toe-off to landing, helping you hold a race-pace ride.\u003c\/p\u003e\n\n\u003ch2\u003eA Matryx®×Kevlar® upper built for light weight, strength, and breathability\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eA Matryx®×Kevlar® weave that's light, abrasion-resistant, and breathable\u003c\/li\u003e\n\u003cli\u003eA padded collar that holds the ankle gently\u003c\/li\u003e\n\u003cli\u003eA highly breathable mesh lining\u003c\/li\u003e\n\u003cli\u003eA removable EVA foam footbed\u003c\/li\u003e\n\u003cli\u003eLaces made from 100% recycled polyester\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe thin yet strong upper keeps the shoe's overall weight down, while padding and lining add comfort where it's needed.\u003c\/p\u003e\n\n\u003ch2\u003eVibram® MegaGrip Elite × Traction Lug\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eA Vibram® MegaGrip Elite compound that grips well on both wet and dry surfaces\u003c\/li\u003e\n\u003cli\u003eVibram® Traction Lug edges that boost traction on both climbs and descents\u003c\/li\u003e\n\u003cli\u003eA 4mm lug depth, sized to balance propulsion with ground contact\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eDevelopment background and its place in 1TRL\u003c\/h2\u003e\n\u003cp\u003eMerrell Test Lab (MTL) spent five years working with top athletes through 154 rounds of prototype testing to complete this shoe. 1TRL is Merrell's premium collection launched in Europe in 2020, pairing archive-inspired silhouettes with new designs in limited quantities. This model is the collection's core race-oriented shoe.\u003c\/p\u003e\n\n\u003ch2\u003eSizing and fit\u003c\/h2\u003e\n\u003cp\u003eIt's a unisex release, but the sizing standard is a men's last. Please choose your size based on the JPN (cm) sizing shown in our product options.\u003c\/p\u003e\n\n\u003ch2\u003eCare note\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eSweat and friction may cause some color transfer. Take care with light-colored socks (dark socks recommended).\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eKey specifications\u003c\/h2\u003e\n\u003ctable\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n      \u003cth\u003eStyle number\u003c\/th\u003e\n      \u003ctd\u003e00005833 (Model No. 61332U)\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003cth\u003eWeight (per shoe)\u003c\/th\u003e\n      \u003ctd\u003eApprox. 305g\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003cth\u003eStack height\u003c\/th\u003e\n      \u003ctd\u003e30mm (heel) \/ 24mm (forefoot)\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003cth\u003eDrop\u003c\/th\u003e\n      \u003ctd\u003e6mm\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003cth\u003eLug depth\u003c\/th\u003e\n      \u003ctd\u003e4mm\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003cth\u003eMidsole\u003c\/th\u003e\n      \u003ctd\u003eFloatPro™ racing foam (PEBA-based) + durable FloatPro™ foam + Carbon Fiber FlexPlate™\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003cth\u003eUpper\u003c\/th\u003e\n      \u003ctd\u003eMatryx® × Kevlar®\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003cth\u003eLining\u003c\/th\u003e\n      \u003ctd\u003eMesh\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003cth\u003eInsole\u003c\/th\u003e\n      \u003ctd\u003eEVA foam (removable)\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003cth\u003eOutsole\u003c\/th\u003e\n      \u003ctd\u003eVibram® MegaGrip Elite + Vibram® Traction Lug\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003cth\u003eSizing standard\u003c\/th\u003e\n      \u003ctd\u003eUnisex (men's last)\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003cth\u003eLine\u003c\/th\u003e\n      \u003ctd\u003eMERRELL 1TRL\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003cth\u003eRelease\u003c\/th\u003e\n      \u003ctd\u003eSeptember 2026\u003c\/td\u003e\n    \u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n","brand":"MERRELL","offers":[{"title":"BLACK \/ 25.5","offer_id":45215363563720,"sku":"195022104659","price":35200.0,"currency_code":"JPY","in_stock":true},{"title":"BLACK \/ 26.0","offer_id":45215363793096,"sku":"195022104666","price":35200.0,"currency_code":"JPY","in_stock":true},{"title":"BLACK \/ 26.5","offer_id":45215363825864,"sku":"195022104673","price":35200.0,"currency_code":"JPY","in_stock":true},{"title":"BLACK \/ 27.0","offer_id":45215363858632,"sku":"195022104680","price":35200.0,"currency_code":"JPY","in_stock":true},{"title":"BLACK \/ 27.5","offer_id":45215363891400,"sku":"195022104697","price":35200.0,"currency_code":"JPY","in_stock":true},{"title":"BLACK \/ 28.0","offer_id":45215363924168,"sku":"195022104703","price":35200.0,"currency_code":"JPY","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0554\/0308\/6024\/files\/mtl-speedarc-peak-black-1.jpg?v=1789711127","url":"https:\/\/rocksteppers.com\/en\/products\/mtl-speedarc-peak-black","provider":"ROCK STEPPERS","version":"1.0","type":"link"}