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July/August 2015

Insulated Shopping Totes

We tested six insulated shopping totes in order to find an easy-to-carry tote that could keep our groceries at a food-safe temperature for at least an hour.

How We Tested

Unlike regular reusable shopping totes, insulated shopping totes are designed to keep refrigerated and frozen foods cold on the commute home from the supermarket. We purchased six, priced from $6.97 to $38.90, including puffy models boasting patented insulation and an innovative model with freezable gel packs sewn into its lining. We were looking for a comfortable, easy-to-carry tote that could keep our groceries at a food-safe temperature for at least an hour. To evaluate comfort and design, we loaded each with an identical assortment of bulky, heavy, and fragile groceries (12 items total) and took each bag for a 10-minute walk. We tested their construction and strength by weighing down the bags with 25 pounds of nonperishable groceries and suspending them from their handles for 24 hours. We also monitored how long half-gallons of orange juice remained at a food-safe temperature in 70- and 90-degree rooms, putting an identical arrangement of groceries in a plain paper grocery bag for comparison. Our final test: stain and odor resistance. We smeared the interior of each tote with a measured amount of milk, yellow mustard, and tuna packed in olive oil, waited 48 hours, and then attempted to wash them clean. 

We expected bags with thick walls and layers of insulation to fare best, since these sheets of fabric and foam act as barriers, keeping the cold air in and the warm air out. So we were puzzled when a large tote with the thickest foam insulation and the puffiest walls (0.40 inches) kept juice cool for just 40 minutes in a hot room, not much better than the paper bag. Another tote with soft sides that didn’t shut all the way performed inconsistently; depending on the mix of items and arrangement in the bag, it kept the contents cold—or not. We realized that the size and design of the bag were as important as the amount of insulation. The best bags sealed tight and were of moderate size, between 12 and 20 inches at their widest and no taller than 16 inches—dimensions that could accommodate a gallon of milk and a dozen other items. The reason is simple: Insulated bags work best when they’re full because there is less room for warm air to circulate around the groceries. That large tote with thick walls would need a cart’s worth of groceries to be effective. Two conventionally insulated totes succeeded at keeping orange juice at a food-safe 40 degrees for 1½ to 2 hours in both tests. As for that innovative model with freezable gel packs embedded in the lining, it lasted a whopping 4 hours in a 70-degree room and just longer than 3 hours at 90 degrees. And even when we used it without freezing the bag first, it kept pace with the front-runners. 

Those moderately sized bags were also the most comfortable, as bigger totes allowed items to shift during transport and felt cumbersome to more petite testers. But only one of these models also boasted wide, comfortable shoulder straps that made carrying a heavy load easier and freed up our hands. Of the two, we preferred our winner because it is slightly roomier than the Igloo and did a better job keeping contents cold in the 90-degree room. We can also recommend one bag without shoulder straps, which kept food cold for hours even when we didn’t freeze it ahead of time.

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The Results

Winner
Recommended

Design Trifecta 360 Knife Block

$33.31*

Design Trifecta 360 Knife Block

Admittedly expensive, this handsome block certainly seemed to live up to its billing as “the last knife block you ever have to buy.” The heaviest model in our testing, this block was ultrastable, and its durable bamboo exterior was a breeze to clean. Well-placed medium-strength magnets made it easy to attach all our knives, and a rotating base gave us quick access to them. One tiny quibble: The blade of our 12-inch slicing knife stuck out a little

Winner
Recommended

Lodge Classic Cast Iron Skillet, 12"

$33.31*

Lodge Classic Cast Iron Skillet, 12"

Our old winner arrived with the slickest preseasoned interior and only got better. Broad enough to cook two big steaks, it browned foods deeply, and its thorough seasoning ensured that our acidic pan sauce picked up no off-flavors. Though its handle is short, the pan has a helper handle that made lifting easy. It survived abuse testing without a scratch. An excellent pan, at an excellent price, that you’ll never have to replace.

Lodge Classic Cast Iron Skillet, 12"

$33.31*

Lodge Classic Cast Iron Skillet, 12"

Our old winner arrived with the slickest preseasoned interior and only got better. Broad enough to cook two big steaks, it browned foods deeply, and its thorough seasoning ensured that our acidic pan sauce picked up no off-flavors. Though its handle is short, the pan has a helper handle that made lifting easy. It survived abuse testing without a scratch. An excellent pan, at an excellent price, that you’ll never have to replace.

Winner
Recommended

Lodge Classic Cast Iron Skillet, 12"

$33.31*

Lodge Classic Cast Iron Skillet, 12"

Our old winner arrived with the slickest preseasoned interior and only got better. Broad enough to cook two big steaks, it browned foods deeply, and its thorough seasoning ensured that our acidic pan sauce picked up no off-flavors. Though its handle is short, the pan has a helper handle that made lifting easy. It survived abuse testing without a scratch. An excellent pan, at an excellent price, that you’ll never have to replace.

Lodge Classic Cast Iron Skillet, 12"

$33.31*

Lodge Classic Cast Iron Skillet, 12"

Our old winner arrived with the slickest preseasoned interior and only got better. Broad enough to cook two big steaks, it browned foods deeply, and its thorough seasoning ensured that our acidic pan sauce picked up no off-flavors. Though its handle is short, the pan has a helper handle that made lifting easy. It survived abuse testing without a scratch. An excellent pan, at an excellent price, that you’ll never have to replace.

Winner
Recommended

Lodge Classic Cast Iron Skillet, 12"

$33.31*

Lodge Classic Cast Iron Skillet, 12"

Our old winner arrived with the slickest preseasoned interior and only got better. Broad enough to cook two big steaks, it browned foods deeply, and its thorough seasoning ensured that our acidic pan sauce picked up no off-flavors. Though its handle is short, the pan has a helper handle that made lifting easy. It survived abuse testing without a scratch. An excellent pan, at an excellent price, that you’ll never have to replace.

Lodge Classic Cast Iron Skillet, 12"

$33.31*

Lodge Classic Cast Iron Skillet, 12"

Our old winner arrived with the slickest preseasoned interior and only got better. Broad enough to cook two big steaks, it browned foods deeply, and its thorough seasoning ensured that our acidic pan sauce picked up no off-flavors. Though its handle is short, the pan has a helper handle that made lifting easy. It survived abuse testing without a scratch. An excellent pan, at an excellent price, that you’ll never have to replace.

Winner
Recommended

Lodge Classic Cast Iron Skillet, 12"

$33.31*

Lodge Classic Cast Iron Skillet, 12"

Our old winner arrived with the slickest preseasoned interior and only got better. Broad enough to cook two big steaks, it browned foods deeply, and its thorough seasoning ensured that our acidic pan sauce picked up no off-flavors. Though its handle is short, the pan has a helper handle that made lifting easy. It survived abuse testing without a scratch. An excellent pan, at an excellent price, that you’ll never have to replace.

Lodge Classic Cast Iron Skillet, 12"

$33.31*

Lodge Classic Cast Iron Skillet, 12"

Our old winner arrived with the slickest preseasoned interior and only got better. Broad enough to cook two big steaks, it browned foods deeply, and its thorough seasoning ensured that our acidic pan sauce picked up no off-flavors. Though its handle is short, the pan has a helper handle that made lifting easy. It survived abuse testing without a scratch. An excellent pan, at an excellent price, that you’ll never have to replace.