Alpinestars Nucleon KR-1 Cell
Back protector
The Nucleon KR-1 Cell protector has a race-oriented back protection. This innovative back protector with a hard plastic grid structure offers uncompromising safety. The ergonomically shaped Nucleon KR-1 Cell with excellent ventilation is extremely light weight and breathable. Whether on the country road or the racetrack, the back protector gets the full power out of you.
Comfort/features:
- high performance polymer blend for more flexibility and lower weight
- extended lower back protector for more protection
- perforations for maximum breathability and ventilation
- adaptable fit
- adjustable, detachable shoulder straps with snap-on system
- compatible with Nucleon KR-C chest protector (order no. 208954) by removing the adjustable straps
- height-adjustable kidney belt with double velcro fastening system
- soft, bio-foam padded chassis for more comfort
Safety:
- certified to EN 1621-2:2014, Level 2
Material:
- 39% Thermoplastic elastomer, 21% Polyester, 19% EVA (Ethylene Vinyl Acetate), 9% Polyurethane, 7% Thermoplastic Polyurethane, 5% Others















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