This is a very lightweight and carry-home windbreaker jacket for climbing expeditions made from Pertex Quantum® 20D 100% Polyamide fabric, with a weight of 100g (only!)

This is a very lightweight and carry-home windbreaker jacket for climbing expeditions made from Pertex Quantum® 20D 100% Polyamide fabric, with a weight of 100g (only!)

Designed for climbing expeditions when all you have is what you carry, this wind and water-resistant jacket is an alpinist's best friend in emergency situations. Made from Pertex Quantum® 20D fabric, this 100g (only!) hooded jacket packs down to the size of an energy bar and stuffs into its own back pocket

Designed for climbing expeditions when all you have is what you carry, this wind and water-resistant jacket is an alpinist's best friend in emergency situations. Made from Pertex Quantum® 20D fabric, this 100g (only!) hooded jacket packs down to the size of an energy bar and stuffs into its own back pocket

Designed for climbing expeditions when all you have is what you carry, this wind and water-resistant jacket is an alpinist's best friend in emergency situations. Made from Pertex Quantum® 20D fabric, this 100g (only!) hooded jacket packs down to the size of an energy bar and stuffs into its own back pocket

Designed for climbing expeditions when all you have is what you carry, this wind and water-resistant jacket is an alpinist's best friend in emergency situations. Made from Pertex Quantum® 20D fabric, this 100g (only!) hooded jacket packs down to the size of an energy bar and stuffs into its own back pocket