Speedo briefs speedo mens endurance brief 2.5 Lagoon blue a speedo classic built for fitness training and long-lasting comfort in the pool. Designed for fitness training and active swims, the endurance 2.5 Brief from our essentials range is a speedo classic. Built for comfort and durability using speedo’s endurance performance fabric, it resists chlorine and pilling for long-lasting wear. An internal drawcord allows an adjustable fit, while a front modesty panel liner provides comfort and modesty. A pool essential built to outlast the miles. Endurance fabric chlorine resistant pilling resistant internal drawcord front liner 2.5 Outseam 3 key features endurance performance fabric the endurance fabric is speedo’s benchmark for training durability, combining 53% polyester with 47% pbt for a resilient, shape-retaining construction. It resists the degrading effects of chlorine far better than standard swimwear fabrics. Whether you train twice a week or twice a day, this brief holds up session after session. Pilling resistant construction pilling is one of the most common signs of wear in a training brief, particularly around the waistband and seat. Speedo’s endurance fabric is engineered to resist pilling, keeping the brief looking and feeling smooth for longer. This makes it a practical, cost-effective choice for regular pool use. Adjustable fit with modesty liner an internal drawcord lets you dial in the waistband fit so the brief stays secure throughout your training set wi...