Endurance+ Super Proback One Piece
The chlorine-resistant black training one-piece that feels like everyday Speedo.
Prices are a snapshot from when this page was built — confirm on the retailer's site.
Story & heritage
Speedo’s Endurance line dates back to the 1990s, when the brand introduced chlorine-resistant training swimwear alongside its race-suit innovations. The Super Proback is the plain black, pool-workhorse expression of that idea.
The official page frames it as a classic one-piece upgraded with performance technology for training, technique work and repeat pool sessions.
Materials & craft
The Super Proback uses Speedo’s Endurance+ fabric with four-way stretch, shape retention and chlorine resistance. Speedo lists the fabric as 50% polyester and 50% PBT, with a front liner and racing fit.
How to choose & style
Black is the canonical lane-swim version: simple, durable and easy to pair with any cap or goggle. The Super Proback is the neater, more athletic strap story; choose it over fashion swimwear when training mileage is the point.