wellcome to Halfdays

FREE SHIPPING ON US ORDERS $95+. *RESTRICTIONS APPLY.

BUILT TO MOVE. EASY TO WEAR. MEET SUMMER 2026.

Halfdays logo
Your bag
0

Complete Your Look

Gwen UV Skort

add – $ 1,944

Gwen UV Jacket

add – $ 3,172

Bastille Trail Pant

add – $ 2,763

Julie Quarter Zip Top

add – $ 1,944

Sunn Seamless Tank

add – $ 1,330

Ruffle Socks - 2 Pack

add – $ 614

Ynes Long Sleeve Top

add – $ 1,944

Bastille Trail Pant

add – $ 2,763

Ynes Long Sleeve Top

add – $ 1,944
Checkout+ $ 0
Shipping and taxes calculated at checkout
Your bag is empty.

“Super warm, wind resistant, and oh so chic!”

– Rebecca L.

Complete Your Look

Gwen UV Skort

add – $ 1,944

Gwen UV Jacket

add – $ 3,172

Bastille Trail Pant

add – $ 2,763

Julie Quarter Zip Top

add – $ 1,944

Sunn Seamless Tank

add – $ 1,330

Ruffle Socks - 2 Pack

add – $ 614

Ynes Long Sleeve Top

add – $ 1,944

Bastille Trail Pant

add – $ 2,763

Ynes Long Sleeve Top

add – $ 1,944
CONTINUE SHOPPING

Notify me when the Hattie Bike Short is back in stock!

Get notified when the Hattie Bike Short (SIZE, COLOR) is back in stock.

Hattie Bike Short
Hattie Bike Short
Hattie Bike Short
Hattie Bike Short
Hattie Bike Short
Hattie Bike Short

Hattie Bike Short

MXN $ 1,330 $ 931
$ 1,330
Last Run

Our thermo-regulating bike short, fabricated with brrr° cooling technology and hyper-wicking fabric that keeps the skin cool and dry while you're sweating on the trail.

Explore features

Color: Navy

Core
Limited
Size XS
Estimated ship date:
Notify Me!
  • Provides a continuous cooling effect

    Provides a continuous cooling effect

  • Dries quickly

    Dries quickly

  • Moves moisture away for nonstop comfort

    Moves moisture away for nonstop comfort

  • 78% brrr° Recycled Polyester, 22% Spandex
  • Cooling material
  • Active wicking
  • Rapid drying
  • Key and card pocket
  • Gusset for mobility

More in Navy

Bastille Trail Short
Bastille Trail Short

  • Recycled nylon with 4-way stretch

  • UPF 50+ to shield from harmful rays

  • Designed for 50°F - 90°F temperature range

Bastille Trail Short

MXN $ 1,740
$ 1,740

  • Recycled nylon with 4-way stretch

  • UPF 50+ to shield from harmful rays

  • Designed for 50°F - 90°F temperature range

SHOP
 NOW
Bastille Trail Pant
Bastille Trail Pant

  • Recycled nylon with 4-way stretch

  • UPF 50+ to shield from harmful rays

  • Designed for 50°F - 90°F temperature range

Bastille Trail Pant

MXN $ 2,763
$ 2,763

  • Recycled nylon with 4-way stretch

  • UPF 50+ to shield from harmful rays

  • Designed for 50°F - 90°F temperature range

SHOP
 NOW
Kara Bra
Kara Bra

  • Provides a continuous cooling effect

  • Dries quickly

  • Moves moisture away for nonstop comfort

Kara Bra

MXN $ 1,535
$ 1,535

  • Provides a continuous cooling effect

  • Dries quickly

  • Moves moisture away for nonstop comfort

SHOP
 NOW
Kara 7/8 Legging
Kara 7/8 Legging

  • Provides a continuous cooling effect

  • Dries quickly

  • Moves moisture away for nonstop comfort

Kara 7/8 Legging

MXN $ 2,353
$ 2,353

  • Provides a continuous cooling effect

  • Dries quickly

  • Moves moisture away for nonstop comfort

SHOP
 NOW
Mary Rain Jacket
Mary Rain Jacket

  • 100% recycled nylon fabric

  • Water and wind repellent with fully taped seams

  • Removable hood and adjustable hem

Mary Rain Jacket

MXN $ 5,832
$ 5,832

  • 100% recycled nylon fabric

  • Water and wind repellent with fully taped seams

  • Removable hood and adjustable hem

SHOP
 NOW
Chapelle Fleece Jacket
Chapelle Fleece Jacket

  • Anti-pilling sherpa fleece

  • PFC-free durable water repellent

  • Designed for 30°F - 60°F temperature range

Chapelle Fleece Jacket

MXN $ 3,581
$ 3,581

  • Anti-pilling sherpa fleece

  • PFC-free durable water repellent

  • Designed for 30°F - 60°F temperature range

SHOP
 NOW
Halfdays Oversized Tee
Halfdays Oversized Tee

  • Made from 100% Cotton

  • Oversized fit

  • H Logo embroidery

Halfdays Oversized Tee

MXN $ 1,126
$ 1,126

  • Made from 100% Cotton

  • Oversized fit

  • H Logo embroidery

SHOP
 NOW
Pieper Fleece
Pieper Fleece

  • Anti-pilling sherpa fleece

  • PFC-free durable water repellent

  • Designed for 30°F - 60°F temperature range

Pieper Fleece

MXN $ 3,990
$ 3,990

  • Anti-pilling sherpa fleece

  • PFC-free durable water repellent

  • Designed for 30°F - 60°F temperature range

SHOP
 NOW
Nellie Packable Puffer Jacket
Nellie Packable Puffer Jacket

  • Insulated with 100% recycled PET bottles

  • Water and wind-resistant shell

  • Designed for 30°F - 60°F temperature range

Nellie Packable Puffer Jacket

MXN $ 4,604
$ 4,604

  • Insulated with 100% recycled PET bottles

  • Water and wind-resistant shell

  • Designed for 30°F - 60°F temperature range

SHOP
 NOW
Georgie Puffer Jacket
Georgie Puffer Jacket

  • Performance PrimaLoft® Thermoplume insulation

  • 15,000 mm water-resistance rating

  • Designed for -30°F to 32°F temperature range

Georgie Puffer Jacket

MXN $ 11,152
$ 11,152

  • Performance PrimaLoft® Thermoplume insulation

  • 15,000 mm water-resistance rating

  • Designed for -30°F to 32°F temperature range

SHOP
 NOW
Emma Soft Shell Pant
Emma Soft Shell Pant

  • Double-faced, fleece-backed fabric

  • 10,000 mm water resistance rating

  • Designed for 15°F - 60°F temperature range

Emma Soft Shell Pant

MXN $ 6,650
$ 6,650

  • Double-faced, fleece-backed fabric

  • 10,000 mm water resistance rating

  • Designed for 15°F - 60°F temperature range

SHOP
 NOW
Hedy Belted Puffer
Hedy Belted Puffer

  • Performance PrimaLoft® insulation

  • 10,000 mm water-resistance rating

  • Designed for -30°F to 32°F temperature range

Hedy Belted Puffer

MXN $ 11,766
$ 11,766

  • Performance PrimaLoft® insulation

  • 10,000 mm water-resistance rating

  • Designed for -30°F to 32°F temperature range

SHOP
 NOW
Lawrence Jacket
Lawrence Jacket

  • Performance PrimaLoft® insulation

  • 20,000 mm waterproof rating

  • Designed for 0°F - 40°F temperature range

Lawrence Jacket

MXN $ 8,083
$ 8,083

  • Performance PrimaLoft® insulation

  • 20,000 mm waterproof rating

  • Designed for 0°F - 40°F temperature range

SHOP
 NOW
Isabel Soft Shell Bib Pant
Isabel Soft Shell Bib Pant

  • Double-faced, fleece-backed fabric

  • 10,000 mm water resistance rating

  • Designed for 15°F - 60°F temperature range

Isabel Soft Shell Bib Pant

MXN $ 7,673
$ 7,673

  • Double-faced, fleece-backed fabric

  • 10,000 mm water resistance rating

  • Designed for 15°F - 60°F temperature range

SHOP
 NOW
Carson Bib Pant
Carson Bib Pant

  • Performance PrimaLoft® insulation

  • 20,000 mm waterproof rating

  • Designed for 0°F - 40°F temperature range

Carson Bib Pant

MXN $ 7,060
$ 7,060

  • Performance PrimaLoft® insulation

  • 20,000 mm waterproof rating

  • Designed for 0°F - 40°F temperature range

SHOP
 NOW
Bastille Trail Pant
Bastille Trail Pant

  • Recycled nylon with 4-way stretch

  • UPF 50+ to shield from harmful rays

  • Designed for 50°F - 90°F temperature range

Bastille Trail Pant

MXN $ 2,763 $ 1,657.80
$ 2,763

  • Recycled nylon with 4-way stretch

  • UPF 50+ to shield from harmful rays

  • Designed for 50°F - 90°F temperature range

SHOP
 NOW
Nan Field Jacket
Nan Field Jacket

  • Lightweight, uninsulated and fully lined

  • UPF 50+ to shield from harmful rays

  • Designed for 65°F to 85°F temperature range

Nan Field Jacket

MXN $ 2,967 $ 1,780.20
$ 2,967

  • Lightweight, uninsulated and fully lined

  • UPF 50+ to shield from harmful rays

  • Designed for 65°F to 85°F temperature range

SHOP
 NOW
Gwen Longline Top
Gwen Longline Top

  • Provides a continuous cooling effect

  • Dries quickly

  • Moves moisture away for nonstop comfort

Gwen Longline Top

MXN $ 1,330 $ 931
$ 1,330

  • Provides a continuous cooling effect

  • Dries quickly

  • Moves moisture away for nonstop comfort

SHOP
 NOW
Hattie Bike Short
Hattie Bike Short

  • Provides a continuous cooling effect

  • Dries quickly

  • Moves moisture away for nonstop comfort

Hattie Bike Short

MXN $ 1,330 $ 931
$ 1,330

  • Provides a continuous cooling effect

  • Dries quickly

  • Moves moisture away for nonstop comfort

SHOP
 NOW
Johnson Top
Johnson Top

  • Moisture-wicking seamless nylon

  • Medium compression

  • Designed for 15°F - 60°F temperature range

Johnson Top

MXN $ 1,944
$ 1,944

  • Moisture-wicking seamless nylon

  • Medium compression

  • Designed for 15°F - 60°F temperature range

SHOP
 NOW
Alessandra Pant
Alessandra Pant

  • Performance PrimaLoft® insulation

  • 20,000 mm waterproof rating

  • Designed for 0°F - 40°F temperature range

Alessandra Pant

MXN $ 6,036
$ 6,036

  • Performance PrimaLoft® insulation

  • 20,000 mm waterproof rating

  • Designed for 0°F - 40°F temperature range

SHOP
 NOW
Fay Midweight Merino Top
Fay Midweight Merino Top

  • Merino wool-bamboo blend

  • Slim-fit with a mock neck

  • Designed for -30°F to 32°F temperature range

Fay Midweight Merino Top

MXN $ 2,660
$ 2,660

  • Merino wool-bamboo blend

  • Slim-fit with a mock neck

  • Designed for -30°F to 32°F temperature range

SHOP
 NOW
Hallie Midweight Merino Legging
Hallie Midweight Merino Legging

  • Merino wool-bamboo blend

  • High-rise and non-compressive

  • Designed for -30°F to 32°F temperature range

Hallie Midweight Merino Legging

MXN $ 2,660
$ 2,660

  • Merino wool-bamboo blend

  • High-rise and non-compressive

  • Designed for -30°F to 32°F temperature range

SHOP
 NOW
Light Cushion Ski Sock
Light Cushion Ski Sock

  • Performance socks for ski and snowboard boots

  • Zoned cushioning

  • Moisture-wicking and naturally insulating

Light Cushion Ski Sock

MXN $ 717
$ 717

  • Performance socks for ski and snowboard boots

  • Zoned cushioning

  • Moisture-wicking and naturally insulating

SHOP
 NOW
Alessandra Pant - Short
Alessandra Pant - Short

  • Performance PrimaLoft® insulation

  • 20,000 mm waterproof rating

  • Designed for 0°F - 40°F temperature range

Alessandra Pant - Short

MXN $ 6,036
$ 6,036

  • Performance PrimaLoft® insulation

  • 20,000 mm waterproof rating

  • Designed for 0°F - 40°F temperature range

SHOP
 NOW
Carson Bib Pant - Short
Carson Bib Pant - Short

  • Performance PrimaLoft® insulation

  • 20,000 mm waterproof rating

  • Designed for 0°F - 40°F temperature range

Carson Bib Pant - Short

MXN $ 7,060
$ 7,060

  • Performance PrimaLoft® insulation

  • 20,000 mm waterproof rating

  • Designed for 0°F - 40°F temperature range

SHOP
 NOW
Clare Lightweight Bamboo Top
Clare Lightweight Bamboo Top

  • Thermo-regulating merino wool and soft bamboo blend

  • Slim-fit with a mock neck

  • Designed for -30°F - 60°F temperature range

Clare Lightweight Bamboo Top

MXN $ 2,353
$ 2,353

  • Thermo-regulating merino wool and soft bamboo blend

  • Slim-fit with a mock neck

  • Designed for -30°F - 60°F temperature range

SHOP
 NOW
Emma Soft Shell Pant - Short
Emma Soft Shell Pant - Short

  • Double-faced, fleece-backed fabric

  • 10,000 mm water resistance rating

  • Designed for 15°F - 60°F temperature range

Emma Soft Shell Pant - Short

MXN $ 6,650
$ 6,650

  • Double-faced, fleece-backed fabric

  • 10,000 mm water resistance rating

  • Designed for 15°F - 60°F temperature range

SHOP
 NOW
Halfdays Sweatshirt
Halfdays Sweatshirt

  • Made from 100% Cotton

  • Oversized, super cozy fit

  • Chenille embroidered branding

Halfdays Sweatshirt

MXN $ 1,944 $ 1,360.80
$ 1,944

  • Made from 100% Cotton

  • Oversized, super cozy fit

  • Chenille embroidered branding

SHOP
 NOW
Isabel Soft Shell Bib Pant - Short
Isabel Soft Shell Bib Pant - Short

  • Double-faced, fleece-backed fabric

  • 10,000 mm water resistance rating

  • Designed for 15°F - 60°F temperature range

Isabel Soft Shell Bib Pant - Short

MXN $ 7,673
$ 7,673

  • Double-faced, fleece-backed fabric

  • 10,000 mm water resistance rating

  • Designed for 15°F - 60°F temperature range

SHOP
 NOW

Thermo-regulating Performance

The Hattie Bike Short is designed with brrr° cooling technology, proven to keep the skin cool and dry while performing in all-mountain conditions.

  • brrr°Pro Fabrication

    Made from brrr°Pro enhanced polyester fibers that feature concentrated cooling minerals that do not wash away over time.

Reviews from Halfdayers

You'll also like
+
Shopping in a different location?
Confirm