Baselayer - Long Sleeves

NEW Season Baselayer
NEW Season Baselayer
21 products
Zip Neck
Zip Neck
10 products
Crew Neck
Crew Neck
23 products
Icebreaker Baselayers
Icebreaker Baselayers
2 products
Patagonia Baselayers
Patagonia Baselayers
4 products
Rab Baselayers
Rab Baselayers
3 products
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  • Mammut Aenergy FL Longsleeve Mammut Aenergy FL Longsleeve
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    Mammut

    Aenergy FL Longsleeve

    Weighs
    113g
    Weighs:
    113g (Medium)
    Baselayer Fabric:
    Synthetic
    Baselayer Fit:
    Athletic/Close Fit
    Neck Style:
    Crew Neck

    Mammut Aenergy FL Longsleeve combines exceptional lightness, advanced functionality, and sustainability. Strategically placed mesh ventilation zones promote breathability and moisture management. Mammut says:  Our lightest and most technical fi…

    £64.99
    RRP: £69.99 | Save: £5.00
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  • Dart Lite Long Sleeve T-Shirt Dart Lite Long Sleeve T-Shirt
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    Montane

    Dart Lite Long Sleeve T-Shirt

    Weighs
    121g
    Weighs:
    121g (size medium)
    Baselayer Fabric:
    Synthetic
    Baselayer Fit:
    Athletic/Close Fit
    Neck Style:
    Crew Neck

    UOG TOP PICK - Dart Lite Long Sleeve T-Shirt Dart Lite Long Sleeve T-Shirt is a fully recycled Synthetic technical T-Shirt/base layer that offers a highly breathable and odour-resistant layer. It's one of our favourite baselayers and one of our top..…

    £42.99
    RRP: £49.99 | Save: £7.00
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  • Aenergy FL Half Zip Longsleeve Aenergy FL Half Zip Longsleeve
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    Mammut

    Aenergy FL Half Zip Longsleeve

    Actual:
    129g
    Baselayer Fabric:
    Synthetic
    Baselayer Fit:
    Athletic/Close Fit
    Neck Style:
    Zip Neck

    A well-fitting base layer with an impressively large zip that ventilates heat quickly when you need it to. Mammut says:  Our lightest and most technical first layer is a true multi-sport MVP. Airy and breathable with offset merrow stitching, it…

    £69.99
    RRP: £74.99 | Save: £5.00
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  • Force LS Tee Force LS Tee
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    Rab

    Force LS Tee

    Weighs
    130g
    Weighs:
    130g (Medium)
    Neck Style:
    Crew Neck
    Baselayer Fit:
    Athletic/Close Fit
    Baselayer Fabric:
    Synthetic

    UOG TOP PICK - Force LS Tee Rab's Force LS Tee is a next-to-skin technical short sleeve tee with Polygiene odour control treatment, designed for comfort and freshness during active use, one of our top picks! Rab says: Designed comfort next to skin, t…

    £34.99
    RRP: £39.99 | Save: £5.00
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  • Dart Long Sleeve T-Shirt Dart Long Sleeve T-Shirt
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    Montane

    Dart Long Sleeve T-Shirt

    Weighs
    141g
    Weighs:
    141g (Medium)
    Baselayer Fabric:
    Synthetic
    Baselayer Fit:
    Regular Fit
    Neck Style:
    Crew Neck

    A staple in Montane's iconic Dart range, this long-sleeved T-shirt continues to deliver reliable performance and comfort for year-round mountain adventures. Montane says:  The Dart Long Sleeve T-Shirt is a classic, all-season, all-mountain techn…

    £30.99
    RRP: £34.99 | Save: £4.00
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  • Abisko Day Hike LS Fjallraven Abisko Day Hike LS
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    Fjallraven

    Abisko Day Hike LS

    Weighs
    142g
    Weighs:
    142g (Medium)
    Baselayer Fabric:
    Synthetic
    Baselayer Fit:
    Regular Fit
    Neck Style:
    Crew Neck

    Lightweight, long-sleeved top for hiking and outdoor life in warm, sunny climates. Produced without PFCs, made for a lifetime of use. Fjallraven says:  Lightweight, functional long-sleeved top for men that is suitable for outdoor life and...

    £64.99
    RRP: £74.99 | Save: £10.00
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  • 24/7 Tech Tee LS Crew - Past Season Colour Berghaus 24/7 Tech Tee LS Crew - Past Season Colour
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    Berghaus

    24/7 Tech Tee LS Crew - Past Season Colour

    Weighs
    150g
    Eco Initiatives:
    Bluesign
    Weighs:
    150g (Medium)
    Neck Style:
    Crew Neck
    Baselayer Fit:
    Regular Fit
    Baselayer Fabric:
    Synthetic

    This technical tee has been designed to be an all-rounder. The soft, comfortable feel is backed up with high wicking, breathable qualities to give you a versatile top. Berghaus says Simple, classic t-shirts are always the best. Comfortable and elega…

    £24.99
    RRP: £34.99 | Save: £10.00
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  • 2025 Nava LS Zip Tee Nava LS Zip Tee
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    Mountain Equipment

    Nava LS Zip Tee

    Weighs
    152g
    Weighs:
    152g (Medium)
    Baselayer Fabric:
    Synthetic
    Baselayer Fit:
    Regular Fit
    Neck Style:
    Zip Neck

    A strong choice as a year-round base layer or standalone in warmer temps, especially for those prioritising breathability and low bulk. Mountain Equipment says:  Experience the ultimate in comfort and performance with the Nava Zip T. Its lightwe…

    £44.99
    RRP: £49.99 | Save: £5.00
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  • 24/7 Tech Tee LS Half Zip 24/7 Tech Tee LS Half Zip
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    Berghaus

    24/7 Tech Tee LS Half Zip

    Weighs
    158g
    Eco Initiatives:
    Bluesign
    Weighs:
    158g (Medium)
    Neck Style:
    Zip Neck
    Baselayer Fit:
    Regular Fit
    Baselayer Fabric:
    Synthetic

    This technical tee has been designed to be an all-rounder with the addition of the half length zip. The soft, comfortable feel is backed up with high wicking, breathable qualities to give you a versatile top. Berghaus says Simple, classic t-shirts a…

    £32.99
    RRP: £37.99 | Save: £5.00
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  • OMM Bearing Tee L/S OMM Bearing Tee L/S
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    OMM

    Bearing Tee L/S

    Weighs
    174g
    Weighs:
    174g (Medium)
    Neck Style:
    Crew Neck
    Baselayer Fit:
    Regular Fit
    Baselayer Fabric:
    Synthetic

    The OMM Bearing Tee LS is a long sleeved, full coverage technical baselayer that is high wicking with UV protection. Great for training and every day use due to the high stretch and comfort. OMM says: The long sleeve Bearing tee uses our 4 way coolp…

    £29.99
    RRP: £34.99 | Save: £5.00
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  • Patagonia Capilene Midweight Crew Patagonia Capilene Midweight Crew
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    Patagonia

    Capilene Midweight Crew

    Weighs
    174g
    Weighs:
    174g (Medium)
    Neck Style:
    Crew Neck
    Baselayer Fit:
    Athletic/Close Fit
    Baselayer Fabric:
    Synthetic

    The classic, go-anywhere all-around baselayer, made with 100% recycled content. The smooth, soft face makes for easy layering; hollow-core yarns and a diamond-grid back trap warm air, wick moisture and dry fast. HeiQ Fresh durable odor control keeps.…

    £69.99
    RRP: £79.99 | Save: £10.00
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  • Capilene Thermal Weight Zip Neck Patagonia Capilene Thermal Weight Zip Neck
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    Patagonia

    Capilene Thermal Weight Zip Neck

    Weighs
    175g
    Weighs:
    175g (size Medium)
    Baselayer Fabric:
    Synthetic
    Baselayer Fit:
    Athletic/Close Fit
    Neck Style:
    Zip Neck

    Warm, breathable, and packed with practical features, this baselayer is a top choice for cold-weather adventures. Patagonia says:  A breathable, lofted baselayer to keep you warm in cold conditions. Polartec® Power Grid® fabric with...

    £99.99
    RRP: £109.99 | Save: £10.00
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  • Mammut Tree Wool FL Longsleeve Mammut Tree Wool FL Longsleeve
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    Mammut

    Tree Wool FL Longsleeve

    Weighs
    176g
    Weighs:
    176g (Medium)
    Baselayer Fabric:
    Merino Blend
    Baselayer Fit:
    Regular Fit
    Neck Style:
    Crew Neck

    The Mammut Tree Wool FL Longsleeve blends merino wool and Lyocell for comfort, warmth, and breathability. It's lightweight at 176 grams (medium), dries faster than traditional wool, and has temperature regulation and odor-neutralizing properties. Mam…

    £74.99
    RRP: £84.99 | Save: £10.00
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  • Hike Lite LS T-Shirt Hike Lite LS T-Shirt
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    Turbat

    Hike Lite LS T-Shirt

    Weighs
    180g
    Weighs:
    180g (Medium)
    Baselayer Fabric:
    Synthetic
    Baselayer Fit:
    Athletic/Close Fit
    Neck Style:
    Crew Neck

    A well-tuned long-sleeve layer that performs in heat without feeling heavy or overbuilt. Turbat says:  The updated series of Hike thermal T-shirts with the lighter and more elastic material, provide better moisture removal and comfort during...

    £24.99
    RRP: £34.99 | Save: £10.00
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  • Malli Long Sleeve Zip T-Shirt Malli Long Sleeve Zip T-Shirt
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    Montane

    Malli Long Sleeve Zip T-Shirt

    Weighs
    183g
    Weighs:
    183g (Medium)
    Baselayer Fabric:
    Merino Blend
    Baselayer Fit:
    Athletic/Close Fit
    Neck Style:
    Zip Neck

    We're working out what we think - we'll add our view here!  Montane says:  Utilising Nylon core spun technology, the Malli Long Sleeve Zip T-Shirt offers unique levels of durability alongside the natural anti-odour control, thermoregulation…

    £89.99
    RRP: £99.99 | Save: £10.00
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  • Conduit Crew Rab Conduit Crew
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    Rab

    Conduit Crew

    Weighs
    183g
    Weighs:
    183g (size Medium)
    Baselayer Fabric:
    Synthetic
    Baselayer Fit:
    Athletic/Close Fit
    Neck Style:
    Crew Neck

    A soft and light base-layer for the colder months, that can also double as a lightweight fleece the rest of the year. Rab says:  A thin, lightweight, crew made with 92% recycled fabric. This Thermic™ G baselayer excels in cold conditions..…

    £49.99
    RRP: £59.99 | Save: £10.00
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  • Icebreaker 200 Oasis LS Crew Icebreaker 200 Oasis LS Crew
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    Icebreaker

    Merino 200 Oasis LS Crew

    Weighs
    208g
    Weighs:
    208g (Medium)
    Neck Style:
    Crew Neck
    Baselayer Fit:
    Athletic/Close Fit
    Baselayer Fabric:
    100% Merino

    A versatile lightweight men's merino wool baselayer t-shirt for year-round layering performance, the 200 Oasis Long Sleeve Crewe is a go-to men’s top for any day of the year. Icebreaker says Our 100% merino, 200gm Everyday Bodyfit™ tops.…

    £74.99
    RRP: £84.99 | Save: £10.00
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  • Dart XT Zip Neck Dart XT Zip Neck
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    Montane

    Dart XT Zip Neck

    Weighs
    216g
    Weighs:
    216g (Medium)
    Baselayer Fabric:
    Synthetic
    Baselayer Fit:
    Regular Fit
    Neck Style:
    Zip Neck

    UOG TOP PICK - Dart XT Zip Neck A warm, well-fitting and incredibly soft and highly mobile baselayer for winter trail running and cooler weather hiking. It's one of our favourite winter baselayers and one of our top picks! Montane says:  High...

    £54.99
    RRP: £59.99 | Save: £5.00
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  • Merino 200 Oasis LS Half Zip Merino 200 Oasis LS Half Zip
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    Icebreaker

    Merino 200 Oasis LS Half Zip

    Weighs
    240g
    Weighs:
    240g (Medium)
    Baselayer Fabric:
    100% Merino
    Baselayer Fit:
    Athletic/Close Fit
    Neck Style:
    Zip Neck

    This lightweight, odour-resistant, and versatile base layer is a reliable choice for outdoor enthusiasts who face a variety of conditions. Icebreaker says:  The 200 Oasis base layer range is the benchmark against which all others are judged. The…

    £84.99
    RRP: £94.99 | Save: £10.00
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  • Helly Hansen Lifa Merino Midweight 1/2 Zip Helly Hansen Lifa Merino Midweight 1/2 Zip
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    Helly Hansen

    Lifa Merino Midweight 1/2 Zip

    Weighs
    262g
    Weighs:
    262g (Medium)
    Neck Style:
    Zip Neck
    Baselayer Fit:
    Regular Fit
    Baselayer Fabric:
    Merino Blend

    The Lifa Merino Midweight 1/2 Zip is a thick and warm top that is ideal for cold conditions with the added benefit of the deep zip for venting heat. The benefits of natural merino are on full display with this piece of kit. Helly Hansen says A uniqu…

    £79.99
    RRP: £89.99 | Save: £10.00
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  • Malli Long Sleeve T-Shirt Malli Long Sleeve T-Shirt
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    Montane

    Malli Long Sleeve T-Shirt

    Weighs
    170g
    Weighs:
    170g (Medium)
    Baselayer Fabric:
    Merino Blend
    Baselayer Fit:
    Athletic/Close Fit
    Neck Style:
    Crew Neck

    We're working out what we think - we'll add our view here!  Montane says:  Utilising Nylon core spun technology, the Malli Long Sleeve T-Shirt offers unique levels of durability alongside the natural anti-odour control, thermoregulation and…

    £74.99
    RRP: £89.99 | Save: £15.00
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