The leggings have received an almost perfect five-star rating on the brand's website.
I wore M&S viral £16 thermal leggings and I barely needed the heating on' - Rachel Williams - Daily Record
Women's Thermal Leggings
The £16 M&S top hundreds of shoppers say keeps them 'warm and cosy' - YorkshireLive
Marks & Spencer Women's Heatgen Thermal Underwear Leggings, Navy, 2 : : Clothing, Shoes & Accessories
Heatgen™ Medium Fleece Thermal Leggings, M&S Collection
The Best Thermal Leggings for Staying Cozy All Winter - Fashionista
Dress for outdoor adventures in these Regatta leggings. They're cut to a skinny fit from flexible stretch fabric that moves when you do. The fabric
Holeen Winter Leggings
Surprisingly Chic Pants That Don't Look Fleece-Lined
Marks & Spencer Women's Heatgen Thermal Underwear Leggings, Navy, 2 : : Clothing, Shoes & Accessories
Dress for outdoor adventures in these Regatta leggings. They're cut to a skinny fit from flexible stretch fabric that moves when you do. The fabric
Holeen Winter Leggings
kindly yours Women's Sustainable Seamless Thermal Leggings
Marks & Spencer Women's Heatgen Thermal Underwear Leggings, Navy, 2 : : Clothing, Shoes & Accessories
Heatgen™ Medium Fleece Thermal Leggings, M&S Collection
