New With Tags - I personally own one of these and used it all weekend hiking with the dog. Tons of pockets and super comfortable. Lululemon Cruiser Backpack - Black With room for your yoga mat, laptop, and sunglasses, this packed-with-pockets backpack cruises effortlessly from work to workout. Measurements Dimensions: 28cm x 19cm x 48cm (11" x 7.5" x 19") Volume: 22L Product Features Easy-access, exterior pockets for your essentials A structured pocket protects your sunglasses Secure a yoga mat with the stowable strap and basket Exterior padded pocket fits a 15" laptop Materials Back panel: 100% Polyester Pocket: 100% Nylon Mesh: 100% Polyester Pocket lining: 77% Nylon, 23% Lycra® elastane Lining: 100% Polyester Body: 100% Polyurethane