PROBLEM TO BE SOLVED: To provide warmth sensing sheet excellent in wearing feeling both in the initial stage and in use.SOLUTION: A warmth sensing sheet 1 comprises a skin contact sheet 7 with liquid retentivity and liquid permeability, and a wearing clothes contact sheet 11 with liquid impermeability, and also has a thickness direction T, the warmth sensing sheet 1 having a warmth sensing layer 17 containing a liquid warmth sensing composition which comprises a warmth sensing agent activating mammalian TRP channels and a solvent, and containing no exothermic agent, the warmth sensing sheet 1 having a bending resistance change rate in a given direction of 4.0 or less in a warmth sensing layer duplication region where the warmth sensing layer 17 and thickness direction T overlap, and the bending resistance change rate is a ratio of 3 h bending resistance which is a bending resistance of the warmth sensing sheet 1 after 3 hours from the start of the use, with respect to 0 h bending resistance which is a bending resistance of the warmth sensing sheet 1 at the start of use.SELECTED DRAWING: Figure 2【課題】初期及び使用時の両方において、着用感に優れる温感シートを提供すること。【解決手段】液保持性且つ液透過性の肌当接シート７と、液不透過性の着衣当接シート１１とを含み、厚さ方向Ｔを有する温感シート１であって、温感シート１が、哺乳類のＴＲＰチャネルを活性化する温感剤と、溶媒とを含む、液状の温感組成物を含む温感層１７を有し、そして発熱剤を含まず、温感シート１が、温感層１７と、厚さ方向Ｔに重複する温感層重複領域において、４．０以下の、所定の方向における剛軟度変化率を有し、上記剛軟度変化率が、使用開始時の温感シート１の剛軟度である０ｈ剛軟度に対する、前記使用開始から３時間経過後の温感シート１の剛軟度である３ｈ剛軟度の比であることを特徴とする温感シート１。【選択図】図２
