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Women's Shimmy Thermal Cycling Base Layer - Fat Lad At The Back

Womens Shimmy Thermal Cycling Base Layer

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You'll never be a Scout with your shimmy (vest) hanging out! This long sleeve base layer is made from a textured lightweight, technical fabric which forms pockets of warm air against the skin, temperature regulating and fully breathable. Unisex fit. For best results use our size guide. 

  • Product Details
  • Reviews
  • Fitting & Sizing

Super versatile, add an extra layer of warmth under short or long sleeves.


  • Technical fabric which creates 'pockets' of warm air to keep you cosy
  • Breathable and wicking to keep you dry and comfortable
  • 100% polyester
  • Colour may vary between black and grey subject to fabric availability



Our base layer should stretch to fit like a second skin.

Top Tips For Getting The Right Size

  1. Get measured before you order
  2. Measure your bust/chest and waist and order the size which corresponds to the largest of the two measurements 
  3. Drop us an email with your measurements if you need some help
42/44 42/44" (107-112cm)
46/48" (117-122cm)
50/52" (127-132cm)
54/58" (137-147cm)