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Wind, cold, snow, sleet and rain - you want to protect your kids from it all. Trespass thermals are great for pretty much any outdoor activity. From hitting the ski slopes to playing down the local park, make sure your little boy has the perfect base layer.

17 items

per page
  • Notch Kids Base Layer Pants

    Was £11.99

    Save 66%

    Special Price: £3.99

    1
  • Doozie Kids Long Sleeve Base Layer Top

    Was £17.99

    Save 66%

    Special Price: £5.99

    • Purple
    • Blue
    Available in 2 colours
  • Klutz Kids Base Layer Pants

    Was £17.99

    Save 66%

    Special Price: £5.99

    • Blue
    • Pink
    Available in 2 colours
  • Oaf Kids Base Layer Top

    Was £21.99

    Save 72%

    Special Price: £5.99

    • Blue
    • Pink
    Available in 2 colours
  • Mika Kids Base Layer Set

    Was £29.99

    Save 56%

    Special Price: £12.99

    • Pink
    • Black
    • Blue
    Available in 3 colours
  • Roar Kids Base Layer Top

    Was £17.99

    Save 66%

    Special Price: £5.99

  • Pax Kids Base Layer Pants

    Was £17.99

    Save 66%

    Special Price: £5.99

  • RILES Kids Thermal Underwear Set

    Was £14.99

    Save 73%

    From Special Price: £3.99

    • Blue
    • Light-Grey
    Available in 2 colours
  • Dolomite Youth Boys Ski Polo

    Was £14.99

    Save 73%

    Special Price: £3.99

    • Tan
    • Blue
    Available in 2 colours
  • Jazz Kids Base Layer Top

    Was £17.99

    Save 61%

    Special Price: £6.99

  • Schuss Youth Boys Ski Polo

    Was £12.99

    Save 53%

    Special Price: £5.99

  • Unite360 Kids Black Thermal Base Layer Set

    Was £27.99

    Save 57%

    Special Price: £11.99

  • Flex360 Kids Black Base Layer Top

    Was £14.99

    Save 53%

    Special Price: £6.99

  • CALUM Boys Blue Base Layer set

    Was £34.99

    Save 68%

    Special Price: £10.99

  • Bubbles Kids Fleece Base Layer

    Was £29.99

    Save 50%

    Special Price: £14.99

  • Rad Kids Base Layer Pants

    Was £17.99

    Save 72%

    Special Price: £4.99

    • Purple
    • Blue
    Available in 2 colours
  • Wise 360 Kids 1/2 Zip Base Layer Top

    Was £15.99

    Save 25%

    Special Price: £11.99

17 items

per page