Underwear

The right underwear can make all the difference when it comes to staying comfortable and supported on outdoor adventures. Great Outdoors has a wide selection of underwear options from top brands like Saxx, Icebreaker, and Smartwool. Our collection includes a range of styles, from performance boxers and briefs to sports bras and leggings. With features like moisture-wicking fabrics, anti-odour treatments, and supportive designs, our underwear is designed to keep you comfortable and confident on the trail, the mountain, or wherever your adventure takes you. Shop online or in-store now and find the perfect underwear for your next adventure.

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SAXX Daytripper Boxer Brief - Black- Great Outdoors IrelandSAXX Daytripper Boxer Brief - Black- Great Outdoors Ireland
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Saxx Quest Boxer Brief - Black II Great Outdoors IrelandQuest Boxer Brief - Black II
SAXX Quest Boxer Brief - Black II
Sale price€35.99
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SAXX Quest Boxer Brief - Midnight Blue 2- Great Outdoors IrelandSAXX Quest Boxer Brief - Midnight Blue 2- Great Outdoors Ireland
Vibe Boxer Brief - India Ink/Amaze Zing WBVibe Boxer Brief - India Ink/Amaze Zing WB
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SAXX Vibe Boxer Brief - India Ink/Amaze Zing WB
Regular price€35.99 Sale price€25.00
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SAXX Vibe Boxer Brief - Black- Great Outdoors IrelandSAXX Vibe Boxer Brief - Black- Great Outdoors Ireland
Icebreaker Merino Anatomica Boxers - Midnight Navy- Great Outdoors IrelandMerino Anatomica Boxers - Midnight Navy
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Icebreaker Merino Anatomica Boxers - Midnight Navy
Regular price€47.99 Sale price€35.00
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Merino Sprite Racerback Bra - BlackMerino Sprite Racerback Bra - Black
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Icebreaker Merino Sprite Racerback Bra - Black
Regular price€49.95 Sale price€42.45
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Saxx Sport Mesh 2 Pack - Navy/city Blue - Great Outdoors IrelandSAXX Sport Mesh 2 Pack - Navy/city Blue- Great Outdoors Ireland
Icebreaker Siren Hipkini - Black - Great Outdoors IrelandIcebreaker Siren Hipkini - Black - Great Outdoors Ireland
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Womens Icebreaker Merino Siren Hipkini Briefs - Black
Regular price€40.00 Sale price€34.00
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Vibe Boxer Brief - SpacedyeSAXX Vibe Boxer Brief - Spacedye- Great Outdoors Ireland
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SAXX Vibe Boxer Brief - Spacedye
Regular price€35.99 Sale price€25.00
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SAXX Daytripper Boxer Brief 2 Pack - Black/City Blue Heather- Great Outdoors IrelandSAXX Daytripper Boxer Brief 2 Pack - Black/City Blue Heather- Great Outdoors Ireland
SAXX Sport Mesh Boxer Brief - Black- Great Outdoors IrelandSAXX Sport Mesh Boxer Brief - Black- Great Outdoors Ireland
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Icebreaker Sprite Racerback Bra - Gritstone Heather - Great Outdoors Ireland
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Icebreaker Sprite Racerback Bra - Gritstone Heather
Regular price€49.95 Sale price€30.00
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Icebreaker Merino Anatomica Boxers - Gritstone Heather- Great Outdoors IrelandMerino Anatomica Boxers - Gritstone Heather
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Icebreaker Merino Anatomica Boxers - Gritstone Heather
Regular price€45.99 Sale price€39.09
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SAXX Sport Mesh Boxer Brief - Navyblue- Great Outdoors IrelandSAXX Sport Mesh Boxer Brief - Navyblue- Great Outdoors Ireland
Icebreaker Merino Anatomica Boxers - Black - Great Outdoors IrelandIcebreaker Merino Anatomica Boxers - Black - Great Outdoors Ireland
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Mens Icebreaker Merino Anatomica Boxers - Black
Regular price€47.99 Sale price€40.79
Siren Hipkini - GritstoneSiren Hipkini - Gritstone
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Womens Icebreaker Siren Hipkini - Gritstone
Regular price€40.00 Sale price€25.00
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Icebreaker Merino Anatomica Boxers - Jet Heather - Great Outdoors IrelandIcebreaker Merino Anatomica Boxers - Jet Heather - Great Outdoors Ireland
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Mens Icebreaker Merino Anatomica Boxers - Jet Heather
Regular price€47.99 Sale price€29.00
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SAXX Vibe Boxer Brief - Graphite- Great Outdoors IrelandSAXX Vibe Boxer Brief - Graphite- Great Outdoors Ireland
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SAXX Vibe Boxer Brief - Graphite
Regular price€34.99 Sale price€25.00
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SAXX Vibe Boxer Modern Fit 2 Pack- Great Outdoors IrelandSaxx Vibe Boxer Modern Fit 2 Pack Great Outdoors IrelandSAXX Vibe Boxer Modern Fit 2 Pack- Great Outdoors Ireland
SAXX Vibe Boxer Modern Fit 2 Pack
Sale price€61.00
Saxx Vibe Boxer Brief - Dark Ink - Great Outdoors IrelandSaxx Vibe Boxer Brief - Dark Ink- Great Outdoors Ireland
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SAXX Vibe Boxer Brief - Dark Ink
Regular price€34.99 Sale price€25.00
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SAXX Kinetic Boxer Brief - Blackout- Great Outdoors IrelandSAXX Kinetic Boxer Brief - Blackout- Great Outdoors Ireland
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Ultra Boxer Brief - Lazy River BlueSaxx Ultra Boxer Brief - Lazy River Blue- Great Outdoors Ireland
SAXX Quest Boxer Brief 2 Pack - Sunrise Stripe/Black II- Great Outdoors IrelandSAXX Quest Boxer Brief 2 Pack - Sunrise Stripe/Black II- Great Outdoors Ireland
Sport Mesh Boxer Brief - Graphite Digi CamoSaxx Sport Mesh Boxer Brief - Graphite Digi Camo- Great Outdoors Ireland
Saxx Daytripper Boxer Brief - Graphite Great Outdoors IrelandDaytripper Boxer Brief - Graphite
Ultra Boxer Brief - Hot Dog RangerSaxx Ultra Boxer Brief - Hot Dog Ranger- Great Outdoors Ireland
Saxx Vibe Boxer Brief - Black - Great Outdoors IrelandSaxx Vibe Boxer Brief - Black - Great Outdoors Ireland
SAXX Vibe Boxer Brief - Black
Sale price€34.99
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SAXX Vibe Boxer Brief - Denim- Great Outdoors IrelandSAXX Vibe Boxer Brief - Denim- Great Outdoors Ireland
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SAXX Vibe Boxer Brief - Dark Denim
Regular price€34.99 Sale price€25.00
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SAXX Kinetic Boxer Brief - City Blue- Great Outdoors IrelandSAXX Kinetic Boxer Brief - City Blue- Great Outdoors Ireland
Vibe Boxer Brief - Sun ShineSaxx Vibe Boxer Brief - Sun Shine- Great Outdoors Ireland
Saxx Vibe Boxer Brief - Sun Shine
Sale price€34.99
Quest Boxer Brief - Mind-TravellerSaxx Quest Boxer Brief - Mind-Traveller- Great Outdoors Ireland
Anatomica Cool-Lite Boxer - BlackAnatomica Cool-Lite Boxer - Black
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Mens Icebreaker Anatomica Cool-Lite Boxer - Black
Regular price€45.99 Sale price€39.09
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Merino Sprite Hot Pants - BlackMerino Sprite Hot Pants - Black
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Icebreaker Merino Sprite Hot Pants - Black
Regular price€40.00 Sale price€22.99
Under Armour® Mid Crossback Sports Bra - Black/Jet Grey Great Outdoors IrelandUnder Armour Armour® Mid Crossback Sports Bra - Black/Jet Grey- Great Outdoors Ireland
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Womens Under Armour Armour® Mid Crossback Sports Bra - Black/Jet Grey
Regular price€39.99 Sale price€25.00
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SAXX Quest Boxer Brief - Solar Stripe- Great Outdoors IrelandSaxx Quest Boxer Brief - Ultimate Comfort  Great Outdoors IrelandSAXX Quest Boxer Brief - Solar Stripe- Great Outdoors Ireland