Seamless activewear is knitted as a single tube rather than cut and stitched from flat panels. That removes the side seams — the exact places that rub on a long run, dig in under a waistband, or split first after a year of washing.

The trade-off is that seamless knits are stretchier and sit closer, so they read as more compressive than they weigh. That suits yoga, pilates and studio work, and it is why these pieces layer flat under anything. This edit covers the full range: leggings, bras, two-piece sets and vest-and-shorts combinations. Sizes S to 4XL depending on style.

If chafing on longer runs is what brought you here, our guide to stopping thigh chafe covers the other fixes worth trying. Free shipping across Australia.