"This carousel displays a list of buttons that updates the main product image when a button is clicked"
  • Arc'teryx - Proton Insulated Pant - Men's - Black
    Arc'teryx - Proton Insulated Pant - Men's - Detail
    Arc'teryx - Proton Insulated Pant - Men's - On-Model Front
Arc'teryx - Proton Insulated Pant - Men's

Arc'teryx Proton Insulated Pant - Men's

30% Off
$139.98 $199.00

Item #ARC00YX

Select options
  • L/Reg
  • XL/Reg
Quantity:
+

Tech Specs

Material:
Fortius Air 40 (92% nylon, 8% elastane)
Insulation:
Octa Loft
Fit:
trim, straight leg
Inseam:
[short] 30in, [regular] 32in, [tall] 35in
Pockets:
1 zippered thigh
Waist:
elasticized
Claimed Weight:
[medium] 7.9oz
Recommended Use:
mountaineering, ski mountaineering, alpine climbing
Manufacturer Warranty:
lifetime

Proton Insulated Pant

The Arc'teryx Men's Proton Insulated Pant warms up frigid alpine climbs with a performance-oriented design geared for staying active at high altitudes. Its air permeable Fortius Air 40 fabric delivers incredible breathability to keep comfy on long approaches and steep climbs, and it has a rugged . Octa Loft also promotes active-worthy breathability as well as thermal protection from cold temperatures. Arc'teryx fitted it trim to fit under hardshells, but you can certainly wear the pant on its own when there isn't much rain or snow.

  • Insulated pant designed for alpine climbing
  • Fortius Air 40 fabric is weather-resistant and air permeable
  • Octa Loft insulation maintains warmth and breathable comfort
  • Trim fit layers under hardshells with ease
  • Elasticized waistband offers a comfy, snug, harness-friendly fit
  • Zippered thigh pocket laminated to pant for a seamless feel

Arc'teryx

Men's Apparel
Alpha Sizes
 XSSMLXLXXL
Chest

36in

(94cm)

38in

(97cm)

40in

(102cm)

43in

(109cm)

46.5in

(118cm)

50in

(128cm)

Waist

29in

(74cm)

31in

(79cm)

33in

(84cm)

36in

(92cm)

39.5in

(100cm)

43.5in

(110cm)

Hip

36in

(92cm)

38in

(97cm)

40in

(102cm)

43in

(110cm)

46.5in

(118cm)

50in

(128cm)

Sleeve

32in

(81cm)

33in

(84cm)

34in

(86cm)

35in

(89cm)

36in

(91cm)

37in

(94cm)

Crotch to Floor:
Short

30.5in

(77cm)

31in

(79cm)

31.5in

(81cm)

32.5in

(82cm)

Crotch to Floor:
Regular

32.5in

(82cm)

33in

(84cm)

33.5in

(86cm)

34.5in

(87cm)

Crotch to Floor:
Tall

35in

(90cm)

36in

(92cm)

36.5in

(93cm)

37in

(95cm)

Numeric Sizes
 282930313233343638
Waist

28in

(71cm)

29in

(74cm)

30in

(76cm)

31in

(79cm)

32in

(81cm)

33in

(84cm)

34in

(86cm)

36in

(91cm)

38in

(96cm)

Hip

35in

(89cm)

36in

(92cm)

37in

(94cm)

38in

(97cm)

39in

(99cm)

40in

(102cm)

41in

(104cm)

43in

(109cm)

45in

(114cm)

Pant Inseam

32in

(81cm)

33in

(84cm)

33.5in

(85cm)

34in

(86cm)

35in

(89cm)

Crotch to Floor:
Short

30in

(77cm)

30.5in

(78cm)

31in

(79cm)

31.5in

(80cm)

32in

(82cm)

33in

(84cm)

Crotch to Floor:
Regular

32in

(82cm)

32.5in

(83cm)

33in

(84cm)

33.5in

(85cm)

34in

(87cm)

35in

(89cm)

Crotch to Floor:
Tall

35in

(89cm)

35.5in

(90cm)

36in

(92cm)

36.5in

(93cm)

37in

(94cm)

38in

(97cm)

How to Measure:
For best results, take measurements over your underwear.
Chest:
With arms relaxed at your sides, measure under your arms, around the fullest part of your bust/chest.
Waist:
Measure around your waist at the narrowest part.
Hip:
Standing with feet hip width apart, measure around your hips at the widest part.
Inseam:
From standing position, measure from your crotch to your ankle.
Sleeve:
With arm relaxed at your side and slightly bent, measure from center back neck, across shoulder to elbow and down to wrist.
Crotch to Floor:
With bare feet, measure from your crotch down the inside leg to the floor.
*Actual inseam length will vary depending on what Arc'teryx deemed suitable for end use footwear.