I own Knix's Longevity Bra ($50) in an XXL and I thoroughly enjoy wearing this alone or under cropped sweaters when I'm teaching yoga classes.
Here are my favorite go-to low impact sports spras, as an active person who wears a 42G.
Wireless Bras - Knix
Active - Knix Canada
Revolutionize your workout with our Catalyst wireless sports bra: ultra-supportive, easy removal, and available up to 42G. Dive into comfort now!
Catalyst Sports Bra
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Longevity Bra - Knix - Knix Canada
Knix, Longevity Bra, Black, Large : : Fashion
Best Sports Bras From Knix