Turn to River Island's collection of sweats for your everyday staples. Each piece is crafted with care using materials like synthetic, and every detail is carefully considered. Look to River Island's range of sweats for a simple way to lift your outfit. Look here for highly wearable designs that really go the distance. Synthetic items are a great investment, and it pays to care for them properly. Before attempting to clean synthetic, we would always recommend always checking the label to ensure no specific care instructions are required. River Island has a wide range of sweats to choose from. Shop our edit today.