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  • But don't worry, the functional fly and fully closing zippered drop-bottom make it easy to take care of business
  • Capilene Thermal Weight provides the greatest warmth and breathability of any Patagonia base layer
  • Polartec® Power Grid® fabric is soft, stretchy and compressible with a smooth outer face; brushed micro-grid fleece interior warms your core and wicks away moisture
  • High collar and anatomically shaped hood for warmth; offset shoulder seams won't chafe under pack straps
  • Capilene Thermal Weight is bluesign® approved and has 30 - 100% recycled content
  • Treated with Polygiene® permanent odor control
  • Long center-front zipper vents body heat and feels comfortable next to skin; spandex for stretch and ease of movement
  • Gusseted crotch for comfort and unimpeded mobility; full underarm gusset for range of motion
  • Chafe-free flatlock seams
  • Thumbholes


View all Patagonia Women's Union Suits

REI membership


Best Use Multisport, Ice Climbing
Shirt Style Zip-front
Fabric 92% recycled polyester/8% spandex
Moisture Wicking Yes
Quick Drying Yes
Underwear Weight Heavyweight
Sleeve Length Long Sleeve
Thumbholes Yes
Inseam (in.) Unavailable
Gender Women's

Size chart

Sizing notes

Inseam varies depending on style. Measurements are stated in inches unless otherwise indicated.

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