DK Eyewitness Books: Early Humans

Whatever travel throws your way, always carry on with the 3-in-1 convenience of this rolling backpack with removable daypack. A spacious main compartment with book-style opening reveals clothing hold-down straps and other organizational features. A removable front day pack with zippered accessory pocket, MP3 player headphone port and back strap increases your mobility when you're on the go. Lifetime limited warranty.

This bag has it all

Everything you want in one 21'' bag

Genuine leather

Ultra-thin design provides targeted cushioning and support in tighter fitting shoes

4-way stretch fabric with silpure antimicrobial helps prevent blisters while controlling odor

Spencore material absorbs shock and impact to provide intense comfort and cushioning

Lightweight polysorb polyurethane foam provides heel cupping and contoured arch support

Spencore heel plug provides extra cushioning and shock absorption in the heel

Lightweight, all-purpose camping mattress offers comfortable 1.25 inches of thickness

Medium: 3.7 R-value; one-pound, six-ounce weight; measures 20-by-1.25-by-66 inches (W x H x D); 1,320-cubic-inch volume

Regular: 3.7 R-value; one-pound, eight-ounce weight; measures 20-by-1.25-by-72 inches (W x H x D); 1,440-cubic-inch volume

Large: 3.7 R-value; two-pound weight; measures 25-by-1.25-by-77 inches (W x H x D); 1,925-cubic-inch volume

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