Roxy Outdoor Fitness Frequency Jacket A trim-fitting coverup with real performance skills, the Frequency Jacket is the perfect balance of light warmth and breathability for covering up pre-, post-, or during your daily fitness adventure. It features soft, brushed interior, stretch properties for mobility and a zoned mesh insert at center back to disperse excess heatwhere you need it most. Rouched inserts go from shoulder to hip, adding style, texture, and a subtle slimming effect. Roxy Outdoor Fitness Frequency Jacket