Swim Secure Waterproof Bum Bag mallet lace Castelli's innovative drop-tail pocket construction

Castelli's innovative drop-tail pocket construction

Featuring NB DRY moisture-wicking technology and easy-access pockets for valuables

Castelli have worked hard to make this Core Seamless base layer keep you warm and dry

Limited self-assembly required

these are absolute trail must have for your rowdy runs

Swim Secure Waterproof Bum Bag mallet lace Castelli's innovative drop-tail pocket constructionSitting snug on the waist, this waterproof bag has no drag for swimmers and weighs a minimal amount so as not to be noticed while being worn, making this the perfect waterproof bum bag for swimming and all outdoor activities. The waterproof triple seal makes this ideal to carry your smart phone, electronic car keys and valuables.