Sangean-Portable Waterproof Bluetooth Speaker waterproof So while they aren't waterproof

So while they aren't waterproof (waterproof boots don't always breathe anyways)

Auxiliary Input for Additional Audio Sources

Dual zippered side compartments

Weight per boot: 23 ounces

Sangean-Portable Waterproof Bluetooth Speaker waterproof So while they aren't waterproofBuilt in Bluetooth Technology Version 4. 1 Class II Wireless Audio Streaming Simply Touch to Pair with NFC Technology Convenient Hands free Speakerphone Including Call answer hangup Button Auxiliary Input for Additional Audio Sources Built in Maximum Volume Indicator Battery Power Indicator Rechargeable with Built in Lithium ion Battery through Micro USB Charging Port or USB Power Adaptor Profile Support: A2DP, HFP, HSP Waterproof up to JIS7 Standard