Adidas Adizero RS15 Ultimate SG Rugby Boots Hybrid Studs
The Adidas Adizero RS15 Ultimate (SG) targets players prioritizing speed and explosivity: backs, loose forwards, but also locks and mobile hookers. The hybrid configuration (6 moulded studs at the front, 4 screw-in studs at the rear) guarantees maximum grip on wet ground while maintaining agility comparable to pure moulded studs. The ripstop upper resists game stresses without adding weight, while Sensepods inserts at the heel cushion impacts during repeated movements. The Speedframe sole ensures immediate responsiveness on direction changes.
The asymmetrical lacing clears the forefoot to maximize the striking and passing surface, a detail appreciated by fly-halves and centres. Moulded lateral wings keep the foot in place even during brutal accelerations or unbalanced tackles. This technical architecture makes the RS15 Ultimate a pro boot, built for demanding players regularly competing on wet or muddy terrain.
Are the screw-in studs supplied or must they be purchased separately?
The 4 screw-in studs are included. Check their tightness before each match and keep spare studs in case of wear.
What is the difference between this SG version and a standard FG version?
The SG (Soft Ground) version offers superior grip on wet terrain thanks to screw-in studs at the rear, whereas the FG (Firm Ground) remains 100% moulded studs for dry ground.
Should I size up by half a size?
No, the fit is standard. Measure your foot at the end of the day and allow 1 cm of space between your longest toe and the boot tip.
Technical Specifications
Care TipsRinse with lukewarm water after each use to remove mud and plant residue. Gently brush the ripstop upper without scrubbing too hard. Check and tighten screw-in studs regularly — a stud that loosens during a match can damage the thread. Dry in the open air, never on a radiator or in direct sunlight. Store in a dry, well-ventilated place. Replace screw-in studs as soon as visible wear appears to maintain optimal grip. Speedframe Construction and Adizero LightnessThe Speedframe sole is a variable geometry architecture designed to reduce weight while maximizing torsional rigidity. Result: every contact translates into direct propulsion, with no energy loss. The ripstop upper — woven fabric with reinforced threads — resists tears while remaining light and breathable. The Sensepods inserts at the heel are zones of foam strategically placed to absorb impacts without thickening the boot. This technical combination places the RS15 Ultimate at the high end of the performance spectrum, suited to players seeking to maximize their top speed without sacrificing stability. Adidas and RugbyAdidas has equipped several leading federations and clubs worldwide for decades. The Adizero range, historically developed for athletics, has been adapted for rugby to provide fast players with a technical tool matching their demands. The RS15 Ultimate represents the culmination of this approach: a boot that makes no compromises between lightness, grip and durability. Adidas remains one of the few equipment manufacturers to offer hybrid configurations in standard production, demonstrating a keen understanding of the on-field needs of demanding professional and amateur players. |
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