McKesson Calculi Strainer, 1 Bag of 25 Camping Gear Storage capacity: 60 memories Select Ear:Right Ear Storage capacity: 60 memories * Square Toe Design acts as a bumper to protect the toes and provides better universal left right fit * Ankle Strap seats foot firmly in shoe to reduce heel slippage and eliminate friction * Removable forefoot closure provides security while eliminating buckle pressure * Zoned outsole has an aggressive tread under the mid foot where traction is needed most * Removable Insole features twice the padding of standard insoles and can be modified as needed Disposable which is the optimal size for filtering the smallest stones while allowing unobstructed flow through