The modern gym bag holds a secret history. Before the 1970s, women exercising had few options beyond modified lingerie - a fact that changed when two runners stitched together jockstraps to create the first 'jogbra.' Today, that invention has splintered into a science of support, yet many still navigate the low-impact versus high-impact divide without a guide. Let's correct that.
'Impact' describes how much your body - and specifically your bust - moves during a workout. Low-impact bras, with their light support and flexible fabrics, are descendants of the soft, unstructured camisoles worn for Victorian calisthenics. They suit yoga, Pilates, and walking. High-impact bras, engineered with broad straps and compression panels, trace their lineage to the athletic corsets of the 1920s, but now use moisture-wicking synthetics and strategic encapsulation to control bounce during running, HIIT, and dance.
Consider your bust size alongside your activity. A smaller chest might find a low-impact bra sufficient for a jog; fuller busts often need high-impact support even for brisk walking - a lesson brands like Panache and Shock Absorber have built their reputations on since the 1990s.
Fit remains paramount: the band must stay level, straps should not dig, and the jump test never lies. Replace your bra every six to twelve months as elasticity fades. Remember, the right sports bra is not a luxury - it is the foundation of movement, as essential as the shoe on your foot.
Originally reported by Clovia Blog