Presenting London Fog Cotton Flannel Sheet Sets, available in solid and plaid prints. Get ready for extreme softness and warmth with the classic cotton flannel sheets from London Fog. Cotton flannel makes for classic ideal bedding, great for all seasons, but particularly adored for when rooms get a little colder. These sheets are 140gsm for a light weight that can still hold in all the warmth by virtue of the flannel weave. -- For the fabric mavens at London Fog it isnât about creating something new, itâs about recreating beloved products with thoughtful construction. The brand starts with, and has continued from, an honor-bound tradition of well made classics. These sheet patterns are a favorite with their woodland themes - great for cabins, boys and teen rooms, cabins and neutral bedding.