Smirthwaite Hardrock Chair

The Smirthwaite Hardrock Chair is a heavy-duty, highly supportive activity chair designed for children, teenagers, and adults who exhibit repetitive rocking, challenging behaviors, or complex postural needs. Engineered for use in schools, therapy clinics, rehabilitation facilities, and home environments, the Hardrock provides a safe, stable seating solution that promotes engagement in learning, mealtime, and everyday activities while helping maintain proper posture.

Built with an exceptionally robust frame, the Hardrock combines durability with clinically effective positioning. The chair features an anti-thrust seating system, anterior pad, and pelvic positioning support to help maintain secure posture within defined boundaries. For users requiring additional lateral stability, optional thoracic supports, stabilizers, and a wide range of accessories allow the chair to be customized to individual clinical needs. Adjustable seat height, seat depth, and armrests ensure the chair grows with the user while providing long-term comfort and support.

Designed specifically for users who benefit from controlled vestibular input, the Hardrock provides a secure environment that minimizes excessive movement while encouraging participation in educational, therapeutic, and daily living activities. Available in multiple sizes for children through adults, the chair is suitable for individuals with autism spectrum disorder (ASD), cerebral palsy, developmental disabilities, sensory processing disorders, and other neurological or physical conditions requiring supportive seating.

The Hardrock comes standard with a 2-point pelvic lap strap, anti-thrust cushions, fully slotted upholstery, and a transporter ski base or mobile base depending on size. Optional accessories - including trays, footplates, headrests, pelvic supports, and thoracic supports—allow clinicians and caregivers to create a customized seating solution that meets changing postural requirements. 

Key Features

• Heavy-duty postural activity chair for children through adults
• Designed for users prone to repetitive rocking or excessive movement
• Anti-thrust seating system promotes secure pelvic positioning
• Provides moderate postural support for school, therapy, and home use
• Adjustable seat height and seat depth accommodate growth and positioning needs
• Adjustable armrests for improved comfort and upper body support
• Standard 2-point pelvic lap strap for added safety
• Fully slotted upholstery for flexible accessory placement
• Optional thoracic supports, headrests, trays, footplates, pelvic supports, and stabilizers
• Available with transporter ski base or mobile wheeled base depending on model
• Durable commercial-grade construction for long-term use
• Available in multiple sizes for children, teens, and adults
• Supports participation in learning, therapy, feeding, and daily activities
• Designed and manufactured by Smirthwaite
• Manufacturer's warranty included