What is the difference between amazon.com PRODUCT DESCRIPTION (13.25 by 18.5 by 9.75 inches ) & PRODUCT DIMENSIONS ( 23 x 16 x 9 inches ; 2.7 ounces )
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I agree with the previous poster. The storage compartments add a little size when they're full. Otherwise, they lay flat. The bottom compartment is actually for wet swimsuits though. This is a swimmer's backpack. It is the typical size and style that most swimmers use (if you're a swimmer, that will likely answer your question). I don't think the bottom compartment would be large enough for a pair of shoes unless you have small feet.
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It may have to do with the storage compartments. The bottom is separated for shoes and then there are several side and interior compartments. I bought one for my husband and myself and it fits ALL our cycling gear perfectly.
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All the dimensions are shown in the "Product Description" section of the Amazon page
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Right on the product description it reads: Product Dimensions: 9.1 x 9.1 x 16.8 inches ; 13.1 pounds
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According to Amazon's excellent and detailed product description this product's dimensions are:Product Dimensions: 14.7 x 10.8 x 5.7 inches; 4.4 pounds
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Not sure where in the description you saw 23", but no, the dimensions are (from the product description): -Overall dimensions: 2.5-Inch H x 14-Inch W - 14.375-Inch W x 18.5-Inch D - 19.5-Inch D
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Someone entered it wrong into the Amazon system. If you notice one is 14oz with no pace between 14 and oz and the other is 14 oz with a space. Since there are different sellers I bet some of them entered it differently than others.
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Product Dimensions:16.2 inches x 12.5 inches x 10.2 inches per data from the Amazon page
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I'm glad to help, but it isn't that hard to scroll down to product specifications. Product Details Product Dimensions: 9.4 x 9.2 x 4.2 inches
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The last sentence in the Amazon Product Description lists the dimensions of each size
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The text says "Product Dimensions" are 11.6 x 2.3 x 7.1 inches ; 11.8 ounces
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From the Amazon Website: Product Dimensions: 7 x 4.2 x 4.5 inches ; 12 ounces
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If you scroll down below the item on the page where you found it, you will see "Product Details" That tells you the measurements but to save you the trouble, I copied and pasted it for you here: Product DetailsProduct Dimensions: 23.9 x 18.4 x 14.4 inches ; 39 pounds
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Dimensions: 7.3 x 6.6 x 1.9 inches; 7.2 ounces is in the description, but I don't have it with me to measure it right now.
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This was taken from the product description on the Amazon page: Product Details Product Dimensions: 9.3 x 10.6 x 7.8 inches
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5.3 x 3.4 x 0.7 inches ; 6.4 ounces.This information is listed right in the product details.
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If you read the information on the Amazon site you will see: Product Dimensions: 19 x 16.2 x 48.5 inches
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Under Product Details see &gt;&gt; Product Dimensions: 9.8 x 6 x 4.5 inches ; 2.2 pounds