The Sonic Ultra is the ultimate mountain running tank for when temperatures climb and intensity peaks, bringing a weightless, airy feel to every step. Built with Rab's rapid-drying, fast-wicking Dryflo™ Air fabric with airflow technology and additional vent holes, it’s crafted to keep you cool, fresh, and sweat-free on steep inclines and technical trails. With an ultralight, racerback design, it’s optimised for efficient movement and pairs comfortably with your hydration vest. Highly breathable, adaptable, and responsive to your output, it’s ideal for pushing the pace and running in the heat.

• Fit: Slim
• Lightweight, wicking Dryflo™ Air fabric offers rapid drying and maximum airflow to keep you cool and sweat-free.
• Stays fresh over multiple days with an odour control treatment.
• Additional ventilation thanks to laser-cut holes on the back of your neck.
• The strong microactive seams are positioned to reduce chafing and are comfortable next to your skin.
• Designed for movement, with a split hem giving extra mobility.
• Reflective branding.
• Weight: 1.7oz/47g (Size 10)
• Product code: QCC-59