Mons Royale Olympus Half Zip Longsleeve Merino Baselayer
Mons Royale Olympus Half Zip Longsleeve Merino Baselayer
Mons Royale Olympus Half Zip Longsleeve Merino Baselayer
Mons Royale Olympus Half Zip Longsleeve Merino Baselayer
View Gallery

Description

Ultimate warmth. Designed for the coldest days and the biggest adventure. Olympus is our warmest baselayer offering unrivalled warmth to weight ratio and strategically placed mesh panels to ensure breathability.


We use midweight 250 merino wool with added elastane so that Olympus will keep its shape and last longer.

Features:

  • Merino 250
  • Mons slim fit
  • Raglan sleeves for ease of movement
  • Merino mesh underarm panels
  • Half zip for ventilation
  • Thumb loops.

    Reviews

    Mons Royale Olympus Half Zip Longsleeve Merino Baselayer
    Mons Royale Olympus Half Zip Longsleeve Merino Baselayer
    Mons Royale Olympus Half Zip Longsleeve Merino Baselayer
    Mons Royale Olympus Half Zip Longsleeve Merino Baselayer
    View Gallery

    Mons Royale Olympus Half Zip Longsleeve Merino Baselayer

    Ultimate warmth. Designed for the coldest days and the biggest adventure. Olympus is our warmest baselayer offering unrivalled warmth to weight ratio and strategically placed mesh panels to ensure breathability.

    ... Read more
    Order by 3.30pm for same working day despatch!
    Free delivery over £30
    Next day and weekend delivery options available

    £129.99

    In stock

    Description

    Reviews

    You may also like

    Mons Royale Atlas Merino Snow Sock Mons Royale Atlas Merino Snow Sock 2023
    Size Please select
    • S
    • M
    • L
    • XL
    Select Colour
    • Black Black
    • Turmeric Turmeric
    • Toffee Toffee
    • Burnt Sage Burnt Sage
    • Riverbed Riverbed
    • Thistle Cloud Thistle Cloud
    mons royale atlas merino snow sock
    From £20.95
    Mons Royale Women's Lift Access Sock 2022 Blue Velvet / S Mons Royale Women's Lift Access Sock 2022
    Select Colour
    • Mauve/Toffee Mauve/Toffee
    mons royale women's lift access sock 2022
    £14.95
    £24.99
    Mons Royale Santa Rosa Merino Flex 200 Balaclava 2022 Black Mons Royale Santa Rosa Merino Flex 200 Balaclava 2022
    Select Colour
    mons royale santa rosa merino flex 200 balaclava 2023
    £25.95
    £39.99
    Mons Royale Double Up Neckwarmer 2022 Black Mons Royale Double Up Neckwarmer 2022
    Select Colour
    • Black Black
    • Dusty Pink Dusty Pink
    • Burnt Sage Burnt Sage
    • Blue Slate Blue Slate
    • Dark Chocolate Dark Chocolate
    • Toffee Toffee
    • Dark Olive Dark Olive
    • Orchid Orchid
    • Blue Silt Blue Silt
    • Copper Copper
    mons royale double up neckwarmer 2025
    From £27.95
    Mons Royale Cascade Merino Flex 200 3/4 Legging 2022 Mons Royale Cascade Merino Flex 200 3/4 Legging 2022
    Size Please select
    • S
    • M
    • L
    • XL
    Select Colour
    • Black Black
    • Evergreen Evergreen
    • Grey Tie Dye Grey Tie Dye
    mons royale cascade merino flex 200 3/4 legging 2025
    From £59.95
    Mons Royale Santa Rosa Merino Balaclava 2025 Mons Royale Santa Rosa Merino Balaclava 2025
    Size Please select
    • L/XL
    • S/M
    Select Colour
    • Black Black
    • Evergreen Evergreen
    • Olive Tie Dye Olive Tie Dye
    • Aoraki Lily Aoraki Lily
    • Blazing Trails Blazing Trails
    • Dark Olive Dark Olive
    • Signal Lost Cedar Signal Lost Cedar
    • Signal Lost Lupin Signal Lost Lupin
    • Grey Tie Dye Grey Tie Dye
    mons royale santa rosa merino balaclava 2025
    From £27.95
    Mons Royale Ultra Cushion Merino Snow Sock Burnt Sage / Black / L Mons Royale Ultra Cushion Merino Snow Sock Blue Slate / Black / L
    Size Please select
    • XL
    • S
    • M
    • L
    Select Colour
    • Burnt Sage / Black Burnt Sage / Black
    • Blue Slate / Black Blue Slate / Black
    • Black Black
    • Orchid Sun Orchid Sun
    • Evergreen / Apple Evergreen / Apple
    • Punch Punch
    mons royale ultra cushion merino snow socks 2025
    From £24.95
    Mons Royale B3 Balaclava 2025 Lupin / S/M Mons Royale B3 Balaclava Black / L/XL
    Size Please select
    • S/M
    • L/XL
    Select Colour
    • Lupin Lupin
    • Black Black
    • Terracotta Terracotta
    • Copper Copper
    • Dark Olive Dark Olive
    mons royale b3 balaclava 2025
    From £24.95
    Mons Royale Daily Dose Merino Flex 200 Neckwarmer 2025 Mons Royale Daily Dose Merino Flex 200 Neckwarmer 2025
    Select Colour
    • Black Black
    • Evergreen Evergreen
    • Olive Tie Dye Olive Tie Dye
    • Aoraki Lily Aoraki Lily
    • Blazing Trails Blazing Trails
    • Dark Olive Dark Olive
    • Punch Punch
    • Signal Lost Cedar Signal Lost Cedar
    • Signal Lost Lupin Signal Lost Lupin
    • Grey Tie Dye Grey Tie Dye
    mons royale daily dose merino flex 200 neckwarmer 2025
    From £24.95
    Mons Royale Olympus Merino Balaclava 2025 9 Iron Mons Royale Olympus Balaclava 2024
    Select Colour
    • Black Black
    • 9 Iron 9 Iron
    • Dew Dew
    mons royale olympus merino balaclava 2025
    £39.99
    Mons Royale Hold 'em Boxer Black 2022 Black / M Mons Royale Hold 'em Boxer Black 2022
    Size Please select
    • M
    • L
    • XL
    Select Colour
    • Black Black
    mons royale hold 'em boxer
    £44.99
    Mons Royale Yotei LS Mons Royale Yotei LS
    Size Please select
    • S
    • M
    • L
    • XL
    Select Colour
    • Retro Valley Retro Valley
    • Evergreen / Black Evergreen / Black
    • Black / Blue Slate Black / Blue Slate
    • Black Black
    mons royale yotei ls 2024
    From £79.95
    Mons Royale Yotei Powder Hood LS Mons Royale Yotei Powder Hood LS
    Size Please select
    • S
    • M
    • L
    • XL
    Select Colour
    • Retro Valley Retro Valley
    • Evergreen / Black Evergreen / Black
    • Black / Blue Slate Black / Blue Slate
    • Violet / Cedar / Black Violet / Cedar / Black
    mons royale yotei powder hood longsleeve merino baselayer
    From £87.95
    Mons Royale Unisex Pom-Pom Beanie 2021 Atlantic/Orange Smash Mons Royale Unisex Pom-Pom Beanie 2021 Wild Ginger
    mons royale unisex pom-pom beanie 2021
    £19.00
    £34.99
    Mons Royale Womens Cascade Merino Flex 200 Legging 2024 Blazing Trails / XS Mons Royale Womens Cascade Merino Flex 200 Legging 2022
    Size Please select
    • S
    • L
    • XS
    • M
    • XL
    Select Colour
    • Aoraki Lily Aoraki Lily
    • Black Black
    • Blazing Trails Blazing Trails
    • Winter Leopard Winter Leopard
    • Signal Lost Lupin Signal Lost Lupin
    mons royale womens cascade merino leggings 2025
    From £62.95
    Mons Royale Afterbang Suspenders 2022 Black/White Mons Royale Afterbang Suspenders 2022 Black/White
    Select Colour
    • Black/White Black/White
    mons royale afterbang suspenders
    £34.99
    Mons Royale Arcadia Headband 2025 Mons Royale Arcadia Headband 2024
    Select Colour
    • Black / White Black / White
    • Lupin / Punch Lupin / Punch
    mons royale arcadia headband 2025
    £29.99
    Mons Royale Haines Helmet Liner 2022 Marina Mons Royale Haines Helmet Liner 2024
    Select Colour
    • Black Black
    • Marina Marina
    • Evergreen Evergreen
    • Orchid Orchid
    mons royale haines helmet liner 2025
    From £13.95
    Mons Royale Fjord 100% Merino Beanie 2025 Mons Royale Fjord 100% Merino Beanie 2024
    Select Colour
    • Black Black
    • Orange Orange
    mons royale fjord 100% merino beanie 2025
    £44.99
    Mons Royale Cascade Merino Flex 200 Legging 2024 Mons Royale Cascade Merino Flex 200 Legging 2024 Evergreen / L
    Size Please select
    • L
    • M
    • S
    • XL
    Select Colour
    • Black Black
    • Evergreen Evergreen
    mons royale cascade merino flex 200 legging 2025
    From £66.95
    Mons Royale Olympus Glove Liner 2024 Mons Royale Olympus Glove Liner 2024 Blue Slate / M
    Size Please select
    • L
    • M
    • XL
    • S
    Select Colour
    • Black Black
    • Blue Slate Blue Slate
    mons royale olympus glove liner 2025
    From £27.95
    Mons Royale Pro Lite Merino Snow Sock Grey Marl / L Mons Royale Pro Lite Merino Snow Sock Retro Red / L
    Size Please select
    • S
    • M
    • L
    • XL
    Select Colour
    • Grey Marl Grey Marl
    • Retro Red Retro Red
    • Orchid Sun Orchid Sun
    • Black Black
    mons royale pro lite merino snow sock 2025
    From £24.95
    Mons Royale Signature Crew Sock Black / White / XL Mons Royale Signature Crew Sock
    Size Please select
    • XL
    • L
    Select Colour
    • Black / White Black / White
    mons royale signature crew sock
    £24.99
    Mons Royale Icon Merino Air-Con LS Mons Royale Icon Merino Air-Con LS
    Size Please select
    • L
    • M
    Select Colour
    • Black Black
    mons royale icon merino air-con ls
    £79.99
    Mons Royale Temple Tech Hood Black Black / M Mons Royale Temple Tech Hood Black
    Size Please select
    • M
    • L
    Select Colour
    • Black Black
    mons royale temple tech hood black
    £109.99
    Mons Royale Womens Yotei BF LS 2022 Mons Royale Womens Yotei BF LS 2022 Dream State / S
    Size Please select
    • S
    • M
    • L
    Select Colour
    • Orchid Dawn Orchid Dawn
    • Thistle Cloud Thistle Cloud
    • Dream State Dream State
    mons royale womens yotei bf ls 2024
    From £69.95
    Mons Royale Stella X-Back Bra 2022 Black / S Mons Royale Stella X-Back Bra 2022
    Size Please select
    • S
    • L
    Select Colour
    • Black Black
    • Hot Coral/Black Hot Coral/Black
    mons royale stella x-back bra
    From £29.95
    Mons Royale Cascade Merino Flex 200 LS 2022 Mons Royale Cascade Merino Flex 200 LS 2022 Black / S
    Size Please select
    • S
    • M
    • L
    • XL
    Select Colour
    • Black Black
    • Element Camo Element Camo
    • Wine Wine
    • Oak Oak
    • Blue Motion Blue Motion
    • Evergreen Evergreen
    • Grey Tie Dye Grey Tie Dye
    mons royale cascade merino longsleeve baselayer 2025
    From £69.95
    Mons Royale Storm Tech Merino Balaclava 2024 Black / One Size Mons Royale Storm Tech Merino Balaclava 2024 Black / One Size
    Select Colour
    • Black Black
    mons royale storm tech merino balaclava 2025
    £44.99
    Mons Royale Chunky Logger Merino Beanie 2025 Mons Royale Chunky Logger Merino Beanie 2025
    Select Colour
    • Charcoal Marl Charcoal Marl
    • Orchid Marl Orchid Marl
    • Dark Denim Dark Denim
    mons royale chunky logger merino beanie 2025
    £39.99
    Mons Royale Decade Pants 2024 Mons Royale Decade Pants 2024 Evergreen / L
    Size Please select
    • L
    • M
    • XL
    Select Colour
    • Black Black
    • Evergreen Evergreen
    mons royale decade pants 2025
    From £101.95
    Mons Royale Atlas Merino Snow Sock Digital Blue Motion / L Mons Royale Atlas Merino Snow Sock Digital
    Select Colour
    • Blue Motion Blue Motion
    mons royale atlas merino snow sock digital
    £24.95
    £34.99
    Mons Royale Women's Olympus Merino Legging 2024 Mons Royale Women's Olympus Merino Legging 2024 Black / L
    Size Please select
    • S
    • M
    • L
    • XL
    Select Colour
    • Black Black
    • Thistle Cloud Thistle Cloud
    • Glacier / Dew / Black Glacier / Dew / Black
    mons royale women's olympus merino legging 2025
    From £73.95
    Mons Royale Atlas Merino Crew Sock Black / XL Mons Royale Atlas Merino Crew Sock
    Size Please select
    • L
    • XL
    Select Colour
    • Black Black
    mons royale atlas merino crew sock
    £24.99
    Mons Royale Cascade Merino Flex 200 3/4 Legging Mons Royale Cascade Merino Flex 200 3/4 Legging Blue Motion / L
    Select Colour
    • Blue Motion Blue Motion
    mons royale cascade merino flex 200 3/4 legging
    £62.95
    £89.99
    Mons Royale McFish Beanie Black / OS Mons Royale McFish Beanie
    Select Colour
    • Black Black
    • Retro Red Retro Red
    mons royale mcfish beanie 2023
    £29.95
    £44.99
    Mons Royale Women's Icon Tee 2021 Black / S Mons Royale Women's Icon Tee 2021
    Select Colour
    • Wild Ginger Wild Ginger
    mons royale women's icon tee 2021
    £29.95
    £64.99
    Mons Royale Women's Flight Crew 2021 Black / S Mons Royale Women's Flight Crew 2021
    Select Colour
    • Mauve Mauve
    mons royale women's flight crew 2021
    £64.95
    £129.99
    Mons Royale Womens Yotei BF High Neck 2024 Mons Royale Womens Yotei BF High Neck 2024 Orchid Dawn / S
    Size Please select
    • S
    • L
    • M
    Select Colour
    • Orchid Dawn Orchid Dawn
    • Thistle Cloud Thistle Cloud
    • Lupin / Dark Olive / Black Lupin / Dark Olive / Black
    • Punch / Cinder / Black Punch / Cinder / Black
    mons royale womens yotei bf high neck merino baselayer 2025
    From £87.95
    Mons Royale Womens Bella Tech Hood 2022 Mons Royale Womens Bella Tech Hood 2024
    Size Please select
    • M
    • L
    Select Colour
    • Orchid/Black Orchid/Black
    • High Vis High Vis
    mons royale womens bella tech hood 2024
    From £76.95
    Mons Royale Men's Olympus Longsleeve Baselayer 2025 Black / 9 Iron / M Mons Royale Men's Olympus Longsleeve Baselayer 2025
    Size Please select
    • M
    • L
    • XL
    Select Colour
    • Black / 9 Iron Black / 9 Iron
    mons royale men's olympus longsleeve baselayer 2025
    £119.99
    Mons Royale Men's Olympus Leggings 2025 Black / 9 Iron / M Mons Royale Men's Olympus Leggings 2025
    Size Please select
    • M
    • L
    • XL
    Select Colour
    • Black / 9 Iron Black / 9 Iron
    mons royale men's olympus leggings 2025
    £109.99
    Mons Royale Mons Belt Black/White / One Size Mons Royale Mons Belt
    Select Colour
    • Black/White Black/White
    • Black Stripe Black Stripe
    mons royale mons belt
    £19.99
    Mons Royale Atmos Wool x Down Hooded Jacket Black / M Mons Royale Atmos Wool x Down Hooded Jacket
    Size Please select
    • M
    • L
    • XL
    Select Colour
    • Black Black
    mons royale atmos wool x down hooded jacket
    £199.00
    £349.99
    Mons Royale Tech Under Helmet Merino Wool Beanie Mons Royale Tech Under Helmet Merino Wool Beanie
    Select Colour
    mons royale tech under helmet merino wool beanie
    From £20.00
    Mons Royale McCloud Pom Pom Merino Beanie 2025 Mons Royale McCloud Pom Pom Merino Beanie 2025
    Select Colour
    • Orchid Sun Orchid Sun
    • Thistle / White Thistle / White
    • Black / White Black / White
    • Lupin / Punch / White Lupin / Punch / White
    mons royale mccloud pom pom merino beanie 2025
    From £27.95
    Mons Royale McCloud Merino Beanie 2024 Mons Royale McCloud Merino Beanie 2024
    Select Colour
    • Black Black
    • Orchid Orchid
    • Blue Silt Blue Silt
    • Apple Green Apple Green
    mons royale mccloud merino beanie 2025
    From £27.95
    Mons Royale Yotei Classic LS 2024 Mons Royale Yotei Classic LS 2024 Black / L
    Size Please select
    • L
    • M
    • S
    • XL
    Select Colour
    • Black Black
    • Copper Copper
    mons royale yotei classic ls 2025
    From £80.95
    Mons Royale Arete Wool Insulation Hood 2024 Mons Royale Arete Wool Insulation Hood 2024
    Size Please select
    • L
    • M
    • XL
    Select Colour
    • Black Black
    mons royale arete wool insulation hood 2025
    £274.99