can you recommend some good back carriers?

好牌子是Kelty，價錢不菲，起碼200以上。戶外運動，hiking比較多的話，是很不錯的。

如果普通散步，或者短時間的，Evenflo snugli cross country/cross terrain 分別是69。99/99。99 在amazon上有。好像店裏麵也有。





我看了4月的american baby, 上麵有介紹3 款backpacks,
1, Sherpani's $166 for hinking with sunshade and rain cover, can carry baby up tp 70pounds
2, Ergo $92, Durability/strength tested up to 90 pounds, 前，後， 側都可以
3, the Catbird baby $98, can be also worn on the front, back and hip