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1.
Rab Mens Flux Pull-On Mid Fleece Base Layer
2.
Icebreaker Mens 260 Tech LS Half Zip Thermal Base Layer
3.
Mountain Equipment Mens Headpoint Tee Base Layer
Now£49.50
RRP £55.00
Save 10%
Average Rating 5Average Rating 5Average Rating 5Average Rating 5Average Rating 5 (1)
Now£95.00
RRP £105.00
Save 10%
Now£31.50
RRP £35.00
Save 10%
 
4.
Montane Mens Dart Long Sleeve T-Shirt All-season Tech Base Layer
5.
Helly Hansen Womens Lifa Comfort Light Set Base Layer
6.
Bawbags Mens Cool De Sacs Underwear - Northern Ireland FA
Now£32.00
RRP £35.00
Save 9%
Now£45.00
RRP £65.00
Save 31%
Average Rating 5Average Rating 5Average Rating 5Average Rating 5Average Rating 5 (3)
Now£14.99
 
7.
Montane Mens Dart Boxers Underwear Base Layer
8.
Montane Mens Dart T-Shirt All-season Tech Base Layer
9.
Mammut Mens Classic Cotton T-Shirt Base Layer
Now£22.50
RRP £25.00
Save 10%
From£22.00
RRP £26.00
Save 15%
Average Rating 5Average Rating 5Average Rating 5Average Rating 5Average Rating 5 (1)
Now£32.00
 
10.
Fjallraven Mens Fjallraven Fox T-Shirt Base Layer
11.
Icebreaker Mens 200 Oasis LS Half Zip Thermal Base Layer
12.
Icebreaker Mens 200 Oasis LS Crewe Thermal Base Layer
Now£31.50
RRP £35.00
Save 10%
Now£81.00
RRP £90.00
Save 10%
Average Rating 5Average Rating 5Average Rating 5Average Rating 5Average Rating 5 (1)
Now£72.00
RRP £80.00
Save 10%
 
13.
Icebreaker Womens Oasis 200 Thermal Leggings Base Layer
14.
Mountain Equipment Mens Headpoint Script Tee Base Layer
15.
Icebreaker Mens 200 Oasis SS Crewe Thermal Base Layer
Now£72.00
RRP £80.00
Save 10%
Now£32.00
RRP £35.00
Save 9%
Now£63.00
RRP £70.00
Save 10%
 
16.
Bawbags Mens Cool De Sacs Underwear - Black
17.
Icebreaker Womens Sphere II LS Tee Base Layer
18.
Peak UK Paddle Sports Mens Thermal Rashy Pants Base Layer
Now£14.99
Average Rating 5Average Rating 5Average Rating 5Average Rating 5Average Rating 5 (1)
Now£56.25
RRP £75.00
Save 25%
Now£49.99
RRP £55.00
Save 9%
 
19.
Icebreaker Mens Sphere II SS Tee Base Layer
20.
Icebreaker Womens Sphere II SS Tee Base Layer
21.
Montane Womens Dart Long Sleeve T-Shirt All-season Tech Base Layer 2021
Now£48.75
RRP £65.00
Save 25%
Now£48.75
RRP £65.00
Save 25%
Now£24.00
RRP £32.00
Save 25%
Average Rating 5Average Rating 5Average Rating 5Average Rating 5Average Rating 5 (1)
 
22.
Montane Womens Female Dart Briefs Underwear Base Layer
23.
Helly Hansen Mens Lifa Comfort Light Set Base Layer
24.
Bawbags Mens Cool De Sacs Underwear - Techno Tartan
Now£22.50
RRP £25.00
Save 10%
Now£45.00
RRP £65.00
Save 31%
Average Rating 4Average Rating 4Average Rating 4Average Rating 4 (5)
Now£14.99
 
25.
Montane Mens Dart Thermo LS Zip Neck Thermal Tech Base Layer
26.
Mountain Equipment Womens Headpoint Tee Base Layer
27.
Rab Mens Stance Logo Organic Cotton T-Shirt Base Layer
Now£45.00
RRP £50.00
Save 10%
Now£27.00
RRP £30.00
Save 10%
Now£22.50
RRP £25.00
Save 10%
 
28.
Montane Mens Mono Logo T-Shirt
29.
Bleubird Unisex Horizon Tee Base Layer
30.
Bawbags Mens Cool De Sacs Underwear - Shatter
Now£22.50
RRP £25.00
Save 10%
Now£19.99
Now£14.99
 
31.
Bawbags Mens Cool De Sacs Underwear - Pitch
32.
Bawbags Womens Cool De Sacs - Tiger Base Layer
33.
Bleubird Unisex Horizon Crew Sweatshirt Base Layer
Now£11.24
RRP £14.99
Save 25%
Now£8.25
RRP £11.00
Save 25%
Now£39.99
RRP £42.00
Save 5%
 
34.
Bleubird Unisex Original Tee Base Layer
35.
Montane Womens Dart Long Sleeve T-Shirt All-season Tech Base Layer
36.
Montane Womens Female Dart T-Shirt All-season Tech Base Layer
Now£19.99
Now£31.50
RRP £35.00
Save 10%
Now£25.00
RRP £28.00
Save 11%
Average Rating 5Average Rating 5Average Rating 5Average Rating 5Average Rating 5 (1)
 
37.
Icebreaker Mens ZoneKnit SS Tee Base Layer
38.
Icebreaker Mens Sphere II LS Tee Base Layer
39.
Icebreaker Womens ZoneKnit SS Tee Base Layer
Now£48.75
RRP £65.00
Save 25%
Now£56.25
RRP £75.00
Save 25%
Now£48.75
RRP £65.00
Save 25%
 
40.
Mountain Equipment Mens Nava Long Sleeve Zip T Base Layer
41.
Icebreaker Mens Oasis 200 Thermal Leggings With Fly Base Layer
42.
Peak UK Paddle Sports Womens Thermal Rashy Pants Base Layer
Now£45.00
RRP £50.00
Save 10%
Now£72.00
RRP £80.00
Save 10%
Now£49.99
RRP £55.00
Save 9%
 
43.
Peak UK Paddle Sports Unisex Thermal Rashy Long Sleeve Base Layer
44.
Peak UK Paddle Sports Unisex Thermal Rashy Short Sleeve Base Layer
45.
Helly Hansen Womens Lifa Active Crew L/S Base Layer
Now£49.99
RRP £55.00
Save 9%
Now£39.99
RRP £45.00
Save 11%
Now£36.00
RRP £40.00
Save 10%
 
46.
Helly Hansen Mens Lifa Active Stripe Crew L/S Base Layer
47.
Helly Hansen Womens Lifa Active Pant Base Layer
48.
Helly Hansen Mens Lifa Active Pant Base Layer
Now£36.00
RRP £40.00
Save 10%
Now£36.00
RRP £40.00
Save 10%
Now£36.00
RRP £40.00
Save 10%
 
49.
Montane Womens Female Dart Thermo LS Zip Neck Thermal Tech Base Layer
50.
Bawbags Mens Cool De Sacs Underwear - Skids
51.
Bawbags Mens Cool De Sacs Underwear - Aurora
Now£45.00
RRP £50.00
Save 10%
Now£14.99
Now£11.24
RRP £14.99
Save 25%
 
52.
Bawbags Mens Cool De Sacs Underwear - Claws
53.
Bawbags Mens Cool De Sacs Underwear - New Hero
54.
Bawbags Mens Cool De Sacs Underwear - Valais
Now£11.24
RRP £14.99
Save 25%
Now£14.99
Now£14.99
 
55.
Montane Womens Female Dart LS Zip Neck All-season Tech Base Layer
56.
Montane Mens Dart LS Zip Neck All-season Tech Base Layer
57.
Fjallraven Mens Fjallraven Logo T-Shirt Base Layer
Now£36.00
RRP £40.00
Save 10%
Now£36.00
RRP £40.00
Save 10%
Now£31.50
RRP £35.00
Save 10%
 
58.
Bawbags Mens Cool De Sacs Underwear - Spicy
59.
Bawbags Mens Cool De Sacs Underwear - Test Card
60.
Bawbags Mens Cool De Sacs Underwear - Stranglers
Now£14.99
Now£14.99
Now£14.99
 
61.
Icebreaker Womens 200 Oasis LS Crewe Thermal Base Layer
62.
Montane Mens Ama Dablam T-Shirt Base Layer
63.
Montane Womens Female Dart T-Shirt All-season Tech Base Layer 2021
Now£72.00
RRP £80.00
Save 10%
Now£19.99
RRP £25.00
Save 20%
Now£21.00
RRP £28.00
Save 25%
Average Rating 5Average Rating 5Average Rating 5Average Rating 5Average Rating 5 (1)
 
64.
Mountain Equipment Mens Roundel Tee Base Layer
65.
Icebreaker Womens 200 Oasis LS Half Zip Thermal Base Layer
66.
Icebreaker Mens 260 Body Fit Zone LS Half Zip Thermal Base Layer
Now£22.50
RRP £25.00
Save 10%
Now£81.00
RRP £90.00
Save 10%
Now£82.50
RRP £110.00
Save 25%
Average Rating 3Average Rating 3Average Rating 3 (1)
 
67.
Icebreaker Womens 260 Tech LS Half Zip Thermal Base Layer
68.
Helly Hansen Mens Lifa Pant Base Layer
69.
Helly Hansen Mens Lifa T Base Layer
Now£95.00
RRP £105.00
Save 10%
Now£31.50
RRP £35.00
Save 10%
Average Rating 5Average Rating 5Average Rating 5Average Rating 5Average Rating 5 (1)
Now£27.00
RRP £30.00
Save 10%
 
70.
Icebreaker Womens Siren Bikini Underwear
71.
Bawbags Mens Cool De Sacs Underwear - Bawhol
72.
Bawbags Womens Cool De Sacs - Rose Base Layer
Now£14.00
RRP £28.00
Save 50%
Now£11.24
RRP £14.99
Save 25%
Now£8.50
RRP £11.00
Save 23%
 
73.
Bawbags Womens Cool De Sacs - Goochi Base Layer
74.
Bawbags Mens Cool De Sacs Underwear - Yellow Leopard
75.
Icebreaker Mens Oasis 200 Thermal Leggings No Fly Base Layer
Now£8.25
RRP £11.00
Save 25%
Now£11.24
RRP £14.99
Save 25%
Average Rating 5Average Rating 5Average Rating 5Average Rating 5Average Rating 5 (1)
Now£72.00
RRP £80.00
Save 10%
 
76.
Helly Hansen Womens HH Dry Pant Base Layer
  
Now£15.00
RRP £30.00
Save 50%
  
 


Base Layers | Jackson Sports

We have a wide range of quality baselayers available in a number of sizes, shapes and styles for both men and women. Browse the range of T-shirts, long sleeve thermal tops, leggings, and technical underwear from premium brands like Icebreaker, Montane, Helly Hansen, Mountain Equipment, Bawbags, Rab, and Fjallraven.