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You are here: Factor 1 > Factor 1 Bloo John Unisex Thermal Underwear Base Layer Leggings

designed for excellence in the following activites

Thermal underwear base layer unisex Factor 1 bloo john leggings have plenty of stretch (100%) making them feel as comfortable as a second skin and allow for a close comfortable fit for most body shapes. The stretch, coupled with a high rise back will prevent exposure under active conditions, protecting your kidneys and lower back from discomfort and cold spots. The super efficient hydrophilic finish will wick perspiration away, leaving your skin feeling warm and dry.

These are excellent thermal underwear baselayer leggings suitable for all outdoor sports. They can be used for anything from running through to rock climbing. For extreme temperature use in conjunction with the Factor 2 range of mid layer thermal underwear.

For a more detailed size chart please visit our technical information pages.

Manufactured in UK

Double thickness gusset for added protection from the cold

Flat ankle seams to reduce boot pressure

Low profile elasticised waist

High rise back for kidney protection

Sun Protection Factor: 50+

TOG: 0.42

Fabric: 100% Polyamide

Average weight: 130g - 4.6oz

Colours: Black, White, Cobalt (blue), Khaki

Sizes: XSmall, Small, Medium, Large XLarge, XXLarge