Super-soft squeeze Nathan 8 oz Race Cap Flasks offer a high flow rate thanks to a one-way valve that opens and closes automatically for a quick swig. Nathan Race Cap Flasks are BPA-free, dishwasher safe and come 2 per pack; fits Nathan Speed 4R, Speed 2R Auto-Cant and Swift belts.
Silver/Nathan Orange (4572N)
Easy-squeeze 8 oz Nathan Super-Flex flask
Race Cap with high-flow, one-way valve opens and closes automatically for a quick swig; no need to squeeze hard to get liquid out
Cap seals well and prevents leaking
BPA-free and won't leech plastic taste
Bottle and cap are dishwasher safe on top rack
Replacement flasks for Nathan Speed 4R, Speed 2R Auto-Cant and Swift belts
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