NALGENE Narrow Mouth Sustain Size:32OZ See your current fitness level

See your current fitness level and track changes over time to set goals

• Fits a variety of existing single fin boxes

The SL75 also features durable PA66

while the polyamide content makes it more hardwearing and ensures good shape retention

Ergonomically shaped to fit the outer ear

NALGENE Narrow Mouth Sustain Size:32OZ See your current fitness levelAll Nalgene bottles are made with a revolutionary resin powered by new recycling technology that transforms plastic destined for landfills into high performance BPA BPS free bottles. This material is derived from 50% waste plastic (using ISCC certified mass balance), further offsetting the use of fossil fuels and lowering greenhouse gas emissions. FEATURES: BPA BPS Free So you can drink water that's safe and tastes great. Built to Last Our durable