Men's Mayu Ultralight Vest

$199
$199
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Men's Mayu Ultralight Vest Men's Mayu Ultralight Vest Men's Mayu Ultralight Vest Men's Mayu Ultralight Vest Men's Mayu Ultralight Vest Men's Mayu Ultralight Vest Men's Mayu Ultralight Vest Men's Mayu Ultralight Vest
  • New In
  • New In
  • New In

Men's Mayu Ultralight Vest

$199
$199
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Colors
Color
Volcanic Rust
Size

mens

Find Men’s size charts for tops and bottoms. Plus, a few tips on how to measure for the best fit

Size Chart

Men's Size
XS
S
M
L
XL
XXL
Chest
34-36"
36-38"
38-40"
41-43"
44-46"
47-49"
Arm Length
32-33"
32 1/2-33 1/2"
33-34"
34-35"
35-36"
36-37"
Waist
28-30"
30-32"
32-34"
35-37"
38-40"
41-43"
Hip
33-35"
35-37"
37-39"
40-42"
43-45"
46-48"
Inseam Length
29-31"
30-32"
30-32"
31-33"
31-33"
31-33"
Men's Size
XS
S
M
L
XL
XXL
Chest
86-91
91-97
97-102
104-109
112-117
119-124
Arm Length
81.2-83.8
82.5-85
83.8-86.4
86.4-89
89-91.4
91.4-94
Waist
71-76
76-81
81-86
89-94
97-102
104-109
Hip
84-89
89-94
94-99
102-107
109-114
117-122
Inseam Length
74-79
76-81
76-81
79-84
79-84
79-84

*Tops: Chest is usually the best size predictor. However, if your hip measurement is larger, consider buying the size indicated for your hips.

View Full Size & Fit Guide Did we mention free returns & exchanges?

Fit Guide

Next to Skin

A snug and form fitting feeling, the perfect 
close to body fit.

Slim

A body skimming fit, can be a stand alone athletic look or a base for layering

Regular

Not too fitted, not too loose everyday pieces that can be layered over or under multiple items.

Relax

Loose fitting top layer items for a relaxed feeling.

Length Guide

Men's Length Guide

Choose between classic and long classic lengths to get the tailored look and perfect coverage that fits your style.

How to Measure

Use a soft, flexible measuring tape. Measure directly on your skin or over light clothing. If you don't have a flexible measuring tape, you can use a piece of string by wrapping it around the area you're measuring, marking the spot where it meets, and then lay it flat on a ruler to measure. Alternatively, you can measure a well-fitting piece of clothing with a regular tape measure and compare the measurements to your body.

1 Arm length
With elbows slightly bent, measure from the center back of neck (at the base), across the top of the shoulders, down the arm, to the wrist. Keep your arm relaxed and slightly bent while measuring.

2 Chest
Measure around the fullest part of your chest, keeping the tape parallel to the ground and comfortably under your arms. Make sure the tape is snug, but not tight. Relax your arms by your sides while measuring.

3 Waist
Measure around the narrowest part of your waist, usually just above your belly button (This will be the crease created from bending). Stand naturally and keep the tape a bit loose. Don’t suck in your stomach.

4 Hips
Measure around the fullest part of hip/seat circumference below your natural waistline. Stand with your feet together and make sure the tape is parallel to the floor and comfortably snug.

5 Inseam (pants)
Measure along the inside leg from crotch to ankle. Stand straight with your feet slightly apart.

When you purchase a PAKA product, you are supporting 300+ women artisans in Peru.

Why you'll love this

  • Warmth without weight: only 6.8 ounces (size medium)
  • PAKAFILL® 70gsm insulation for lightness in loft and weight, made with traceable alpaca fiber
  • Shell and lining use Pertex® fabrics made from NetPlus® Recycled Nylon, created from discarded fishing nets
  • Step hem with angled side slit for an unrestricted fit through hips and durable zip pockets with glove-friendly pulls
  • Custom zipper pull featuring the Chakana (a Peruvian cultural symbol)
  • Packs into interior chest pocket

Details

Our lightest PAKAFILL® outerwear yet with a warmth-to-weight ratio rivaling any competitor, thanks to the power of traceable alpaca fiber insulation. The shell and lining use Pertex® fabrics with NetPlus® Recycled Nylon, made from discarded fishing nets off the coast of South America - giving you wind and water resistance while helping to reduce ocean plastic pollution. This packable and lightweight men's puffer vest can fit into its own interior chest pocket (making it a great camping or travel pillow), and the tall collar adds extra protection.

  • Use

    Keeping yourself warm and your travel pack light

  • Materials

    PAKAFILL® 70 GSM with 50% Alpaca and 50% Recycled Polyester // Shell and lining: Pertex® Quantum 20-denier ripstop made from 100% NetPlus® Recycled Nylon // Exclusive of trim

  • Weight

    6.8oz

  • Model Specs

    Victor is 6’2”, chest 40”, waist 32”, wearing a size M

Wash & Care Instructions

  • Wash

    Machine wash in cold water, do not bleach or fabric softener, do not dry clean

  • Dry

    Tumble dry low, do not Iron

Country of Origin

Vietnam Vietnam Vietnam Vietnam Vietnam Vietnam Vietnam Vietnam Vietnam Vietnam Vietnam Vietnam Vietnam Vietnam Vietnam

Complete the Look

  • Men's Aire Long Sleeve
    Men's Aire Long Sleeve
    $75.00
  • Men's Breathe Jogger
    Men's Breathe Jogger
    $149.00
  • Essential Crew Socks
    Essential Crew Socks
    $25.00

The Mayu Ultralight is designed for those who want all the warmth without any of the bulk. Made for travels to trails, the Mayu uses Pertex® fabric with 100% NetPlus® Recycled Nylon made from discarded fishing nets gathered off the coast of South America and our patented PAKAFILL® - the warmest ethical insulation in the world.

PAKAFILL® 70 GSM

Patented natural insulation, warmer than synthetic and half the volume of down

Tall Collar Neckline

For extra coverage

Custom Zipper Pull

With the Chakana (a Peruvian cultural symbol)

Interior Chest Pocket

Packs into pocket for easy travel (and a great pillow)

Zip Pockets

With glove-friendly pulls
Rising Thermometer Icon

High Warmth-to- Weight

Feather Icon

Lightweight

Alpaca Footprints Icon

Fully Traceable

Durable Links Icon

Ultra-Durable

Water-resistant icon

Water-Resistant

Features & Benefits

Warmth without bulk

Packable

Water and wind-resistant

Keeps you warm when wet

Breathable

Zip pockets

Materials

PAKAFILL® Insulation

High warmth-to-weight ratio with a 1.6 thermal CLO value (tested by Intertek). Half the volume of down. Keeps you warm when wet (unlike down, which can be life-threatening on the mountain). Thermoregulates from cold temperatures at rest to high aerobic activity to keep you in a neutral comfort range

100% Recycled Nylon Shell and Lining

Water-and wind-resistant without any intentionally added PFAS. Shell fabric has eco durable water repellant finish and a soft feel, unlike the stiff plastic touch of most DWR jackets

Shell and Lining made from Pertex® fabrics with NetPlus® Recycled Nylon

Made from discarded fishing nets gathered off the coast of South America, NetPlus® creates wind and water resistance with a soft feel - all while helping to reduce ocean plastic pollution.

Traceable Alpaca™ from Peru

The natural alpaca fiber used in PAKAFILL® is fully traceable, all the way back to the small farm in the Andes where it was sourced

Our Mayu Ultralight was designed to enhance the benefits of our patented PAKAFILL® insulation, performing from cold morning flights to high-aerobic activities. We achieved this comfort range with an ultra-breathable lining to perspire into the insulation and control moisture. The result is a shiver- and sweat-proof puffer hoodie, jacket, and vest for outdoor adventures and travel.

This jacket performs best in the temperature range of:

Horizontal temperature scale showing the Mayu vest’s recommended performance range from 30°F to 65°F
Temperature range bar showing recommended performance from -1 C to 18 C

PAKAFILL®

Other Jackets

Sustainable Insulation

Insulated with fiber from free-roaming alpacas in Peru.

Insulated with fossil fuels extracted from the earth (synthetics) or feathers from dead birds (down).

Storm-proof

PAKAFILL® doesn’t wilt when you’re caught in the rain, snow, or wind, keeping you safe in even the most extreme climates.

Weaker when wet. Other insulations (such as down) lose their loft when the weather gets tough, putting you in a dangerous place on the mountain

Sweat and odor-proof

PAKAFILL® is naturally anti-bacterial and odor-resistant (with only 8% moisture retention rate), requiring less washing or care.

Sweaty and smelly. Synthetics trap sweat and bacteria together - a combination which results in odor.

Made with care

The fiber in PAKAFILL® is fully traceable, all the way back to the coordinates of the small farm in the Andes where it was shorn.

Lack of transparency with sourcing and where the fibers or manufacturing is from.

PAKAFILL®

Other Jackets

Sustainable Insulation

Insulated with fiber from free-roaming alpacas in Peru.

Storm-proof

PAKAFILL® doesn’t wilt when you’re caught in the rain, snow, or wind, keeping you safe in even the most extreme climates.

Sweat and odor-proof

PAKAFILL® is naturally anti-bacterial and odor-resistant (with only 8% moisture retention rate), requiring less washing or care.

Made with care

The fiber in PAKAFILL® is fully traceable, all the way back to the coordinates of the small farm in the Andes where it was shorn.

Sustainable Insulation

Insulated with fossil fuels extracted from the earth (synthetics) or feathers from dead birds (down).

Storm-proof

Weaker when wet. Other insulations (such as down) lose their loft when the weather gets tough, putting you in a dangerous place on the mountain

Sweat and odor-proof

Sweaty and smelly. Synthetics trap sweat and bacteria together - a combination which results in odor.

Made with care

Lack of transparency with sourcing and where the fibers or manufacturing is from.

PAKAFILL® has ½ the volume of down due to its uniquely structured hollow air pockets, which increase the fiber’s thermal retention while allowing for increased ventilation - keeping the material light, warm, and dry.

Thermoregulating icon

Thermoregulating

Naturally adapts to the temperature, keeping you warm in the cold and cool in the heat

Durable alpaca fiber icon

Durable

Alpaca fiber has a tensile strength of 50 N/ktex

Icon of a feather to represent lightness of Alpaca fiber

Lightweight

Alpaca fiber has hollow air pockets that give it an incredible warmth-to-weight ratio

Water resistance icon

Water resistant

Dries faster and insulates better than down when wet

Close-up portrait of a brown alpaca facing the camera with a plain white background

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A women wearing The Vida hugging two alpacas