Patagonia Men's Triolet Alpine Pants - Waterproof Pants

Size Guide
Size Guide Patagonia Men's Bottoms
  Waist Inseam
X-Small (cm) 71 79
X-Small (in)
28 31
Small (cm) 74 79
Small (in)
Medium (cm) 79-84 81
Medium (in)
Large (cm) 86-91 84
Large (in)
X-Large (cm) 97-102 84
X-Large (in)
XX-Large (cm) 107-112 84
XX-Large (in)


Measurements refer to body size, not garment dimensions, and are in inches, unless otherwise noted.* Inseam will vary depending on style; when lengths are offered, "short" is 30, "regular" is 32 and "long" is 34, unless otherwise noted.

Men's Fit Guide

Though each Patagonia product is designed and shaped specifically for its intended use, Patagonia generalises their fit descriptions in four ways:

Formfitting: Conforms to the body’s contours.

Slim Fit: Closer-fitting. Slim-fitting technical garments may be worn over baselayers and light midlayers.

Regular Fit: Neither slim nor oversized. Regular-fitting technical garments may be worn over heavier midlayers.

Relaxed Fit: Drapes loosely on the body.

How to Measure

Sleeve: With elbow bent, measure from the center (back) of neck to elbow and down to wrist.

Chest/Bust: Measure around your chest/bust, just under armpit.

Waist: Measure around waist at the smallest circumference.

Hips: Stand, feet together, and measure around the largest circumference at hips.

Hands: Measure around the fullest part of the hand, not including thumb.

Inseam: Take a pair of pants that fit well and measure from the crotch to bottom of leg. All pants come with a finished hem.

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The multi-talented Triolet's offer mountain versatility like you've never seen before.

The Triolet's open up with full-separating, 2-way waterproof PU-coated side zippers for ventilation or accessibility. The waterproof/breathable, 3-layer GORE-TEX fabric includes a DWR (durable water repellent) finish that offers versatile performance in heavy winter conditions.

An articulated pattern and gusseted crotch provides a movement orientated fit or comfort under a harness, whilst the waist separates with a zippered fly.

The interior elasticised hook-and-loop tabs customise the fit and the welted vertical hand-warmer pockets have DWR-treated zippers. The double cuff as a durable scruff guard, an internal separating gaiter (with hook-and-loop plus snap closure) as well as a gripper elastic and tie-down loops. The Triolet's feature belt loops and a jacket attachment loop at the rear.

  • The 3-layer, durable 100% polyester GORE-TEX fabric is waterproof/breathable & windproof for rugged protection.
  • An articulated pattern and gusseted crotch offers more movement & comfort under a harness.
  • The separating waist has two-snap closures and a zip fly as well as belt loops and a jacket attachment loop at rear.
  • All interior adjustable elastic tabs customise the fit.
  • The full-separating side zips use 2-way waterproof, PU-coated zippers and secure at waist and cuff with snap tabs.
  • Both vertical pockets are welted and have DWR-treated zippers.
  • The double-cuff design includes a durable scuff guard, a separating internal cuff (with hook-and-loop plus snap closure), gripper elastic and tie-down loops.
  • 635 g (22.4 oz).