PolarMax (1) INSECT SHIELD ACCLIMATE AC - Grey Heather *Insect Shield repellent apparel *treated w/ Insect Shield Permethrin insect repellent. Repels mosquitoes, ticks, ants, flies, chiggers & midges (no-see-ums) *Insect Shield lasts through 70 launderings *invisible, odorless protection *Acclimate AC (Advanced Cooling technology) * lightweight tee *High performance moisture wicking *100% Acclimate Dry: moisture wicking, quick drying * UPF 39+, UV protection * Ag47 Silver protection: Anti-Odor/Anti-microbial Warmth Rating 1-5: 1 for warm weather NEW in original packaging w/ tags, excellent condition Made in USA 🇺🇸 #1 in description relates to warmth rating: 1-5 w/ 1 being lightest - to wear in warm weather; has Acclimate AC advanced cooling technology