Features of the Salomon Advanced Skin 5 Set Pack SensiFit construction comfortably wraps your body without hindrance or chafing, sensi load lifter, hugs in the right places and keeps your gear tight and close Perfect companion for all your light outdoor sports Dries quickly and allows your skin to breathe Areas that could potentially cause chafing have been addressed and made smooth Compatible with 1.5l blader Blader hanging system Safety blanket included Whistle Reflective PVC free Elastic power mesh Fast wicking fabrics Elastic jersey 3D Air mesh Fabric Details Pockets: 88% Polyamide, 12% Elastane Body: 78% Polyamide, 22% Elastane Front: 100% Polyester Front Insert: 67% Polyester, 33% Elastane Lining Insert: 100% Polyester Lining: 100% Polyester Front Lining: 100% Polyester Foam: 100% Polyethylene