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Smart winter dressing for baby starts with the Patagonia Infant Boys' Micro D Bottom. Warm, breathable and lightweight, this fleecy bottom is ideal for layering when it's time to head outdoors on errands or fun. Come nap time, slip off the outer layers and settle him in for some regenerative rest in this cozy jammie alternative.

  • Lightweight, part-recycled microdernier fleece offers soft, breathable warmth and dries quickly
  • Fold-over elastic waist won't rub against his tummy
  • Self-fabric cuff traps head and makes for easy layering
  • Flat-seam construction ensures a comfortable, chafe-free fit
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Runs large!

  • Familiarity: I've put it through the wringer

They're nice, but the bottoms sizing was way off for us. We've a slimmer baby than some it seems! For a 2-year old, size 12M in the bottoms and 18M in the tops was perfect (18M bottoms slipped off, larger around the waist than the Patagonia 2T Puff Pants!) The sizing really seemed surprising (and I was comparing 2 each of each size). I would've preferred 18M leg length with 12M waist size. The new 2013 versions of these are great though, very warm, soft, and washable :)