The Sidekick Jr. Mips® helmet brings grown‑up mountain bike style and trusted impact protection to young riders who are just starting to explore the streets, pump tracks, and trails. Designed with a lightweight build, extended rear coverage, and a dial‑adjustable fit system, it keeps kids comfortable and confident while offering the same safety technologies found in full‑size helmets.

Features

• Mips® Safety System to help reduce rotational forces from angled impacts
• Lightweight in‑mold construction for a durable, one‑piece shell
• Extended rear coverage for added head protection
• Adjustable dial fit system for a secure, customizable fit
• AirEvac™ ventilation designed to work with Smith eyewear and reduce fogging
• Integrated visor for sun and debris protection
• Performance comfort liner for a soft, breathable feel
• Low‑bulk, single‑layer webbing for reduced weight and distraction
• 12 fixed vents for consistent airflow.

Specs

• Sizes: Youth XS (48–52 cm, ages 4–8) and Youth S (51–55 cm, ages 8–12)
• Weight: 310 g (Size M listed by manufacturer)
• Safety Certifications: CPSC (Age 5+), CE EN 1078, AS/NZS 2063
• Includes: Smith drawstring helmet bag