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The Men's Patagonia Triolet Pant is a three-layer GORE-TEX pant for waterproof, windproof, and breathable protection in the mountains. The articulated pattern and gusseted crotch offer enhanced mobility and comfort, especially when worn under a harness. The separating waist includes a two-snap closure, zip fly, belt loops, and interior adjustable elastic tabs for a personalized fit. Full-separating side zips with two-way waterproof zippers are secured with snap tabs at the waist and cuffs. The pants include two waterproof welt handwarmer pockets and a double-cuff system with a durable scuff guard, internal gaiter, gripper elastic, hook-and-loop closure, snap fastener, and tie-down loops for secure integration with boots.
Size & Fit Guide
| SIZE | XXS | XS | S | M | L | XL | XXL | 3XL |
|---|---|---|---|---|---|---|---|---|
| Waist | 26" | 28 - 29" | 30 - 31" | 32 - 33" | 34 - 36" | 38 - 40" | 42 - 44" | 46 - 48" |
| Hips | 33" | 35 - 36" | 37 - 38" | 39 - 40" | 41 - 43" | 44.5 - 46.5" | 48.5 - 50.5" | 52.5 - 54.5" |
| SIZE | 26 | 28 | 29 | 30 | 31 | 32 | 33 | 34 | 35 | 36 | 38 | 40 | 42 | 44 | 46 | 48 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Waist | 26" | 28" | 29" | 30" | 31" | 32" | 33" | 34" | 35" | 36" | 38" | 40" | 42" | 44" | 46" | 48" |
| Hips | 33" | 35" | 36" | 37" | 38" | 39" | 40" | 41" | 42" | 43" | 44.5" | 46.5" | 48.5" | 50.5" | 52.5" | 54.5" |
Hips are usually the best size predictor, but if your waist measurement is larger, consider buying the size indicated by your waist. The measurements provided above are body measurements.
The Patagonia pant length can be found in the product name. Not all Patagonia pants are available in different lengths. Check the product Tech Specs for more Inseam information.
Short — 30"
Regular — 32"
Long — 34"
Waist — Bend slightly to one side to find your natural waist. This will be the crease created from bending. Then, stand erect and measure around your body at the crease points.
Hips — Stand relaxed with feet shoulder-width apart. Now, measure around the fullest part of your hips and seat.

Formfitting
Engineered to hug the body like a second skin with no excess fabric, for an ultra-close fit that moves with you.

Fitted
Contours to the body, emphasizing shape for definition and a sculpted feel.

Slim
Fits close to the body with a slight ease, for a tailored, modern look and athletic performance.

Regular
A standard fit, which follows the natural shape of the body for a classic silhouette that’s neither tight nor loose.

Relaxed
Designed for a casual drape off the body and shaped for extra comfort.

Oversized
Dramatic ease for exaggerated volume and flow.