Sonic Ultra Vest (Women's) - QCC-59 arc'teryx the proprietary foams are softer

the proprietary foams are softer on top of the pad for extra comfort and denser on the bottom for boosted durability

Though not as warm as microfleece or as light as silk

Side rivets for ventilation

NRS Maverick Gloves combine a raw neoprene exterior with a four-way stretch interior for maximum warmth and dexterity

Sonic Ultra Vest (Women's) - QCC-59 arc'teryx the proprietary foams are softerDesigned to dry fast and wick efficiently, this lightweight tank offers maximum comfort and a barely there feel on mountain runs of any distance. 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 our rapid drying, fast wicking Dryflo Air fabric with airflow technology and additional vent holes, its crafted to keep you cool, fresh, and sweat