Details: For best fit refer to sizing table image; start with torso measurements and refer to height and weight references if necessary. EcoStinger well designed Stinger suit takes your sun protection needs to a new level by providing you with around the clock UV protection; it has everything a professional surfer would aspire to, only that we made it possible for all kind of people to enjoy, specially people seeking skin protection. The suit stretches two ways, include flatlock stitching and front zipper for easy wear. Stinger suits and Dive Skins both refer to same style of light weight full body suits, made of elastic fabric and is suitable for warm and lukewarm waters, and can be used for all beach and outdoor activities. NO treatment or chemicals added to fabric, it is the way fabric is tightly knitted that provide protection against the sun UVA and UVB radiation all day long.