Gore bike wear power 30 thermo bibtightsthese 30 thermo bibtights feature doubled fabric in the knee area and back seat to protect against wind and spray the full mesh bib construction does not cut into the skin a pre formed seat insert protects from the wind but is still highly breathable featuresmaterial 85 nylon 15 elastaneflat lock seamswind and spray protection at kneesmesh bib tunnel design with no seam close to skin reduces friction stops material from digging inwind and spra