Adult Grubs Boots: Adult Grubs Outdoor Boots. Don't go outside without these awesome new boots! These adult pull on Grubs Frostline 5.0 High Boot featuring the TRAK sole with Hexzorb shock-absorbing technology. This sole has small lugs front & rear to provide good 'push off' grip and a prominent heel for 'braking' grip. The Frostline boot is an ideal choice for both work and leisure activities. Constructed with Grub's 5.0 thermal technology, the Frostline 5.0 is the perfect boot for the field and the comfort and warmth will allow you to keep competing in all forms of outdoor leisure & sport. Full Height for superior leg protection and warmth. INSU-FOAM ULTRA - Containing a polyester fleece lining combined with Grub's HIGHLOFT liner for ultimate in warmth and comfort. 5.0 TECHNOLOGY - A moisture wicking terry knit liner for ultimate dryness and stretch-ability. Removable 6mm NITROCELL foot bed - A nitrogen bubble structure increases the cushioning and isolative properties of the foot bed, SUPER-DRI lining, UNDER FOOT CHASSIS, 2mm Natural Rubber Shell, Self Hardening Layers Of Epoxy Impregnated Material, Operate in Temperatures 85 to -5 Fahrenheit, TRAK sole featuring Hexzorb shock-absorbing technology. All Grubs footwear uses self-insulating INSU-FOAM ULTRA bootie construction which acts as a neutral medium between the wearer and the outside. This unique super stretch material is commonly used in deep sea dry suits, and has a 300% stretch rating. It is then covered with a 4 way stretch knitted nylon jersey which as suggested can expand not only in width but also height. In our 5.0 TECHNOLOGY boots the bootie is lined with moisture wicking terry knit, which keeps the wearer dry and has a super stretch to fit most calves. As INSU-FOAM ULTRA is a temperature neutral material it will keep the wearers foot comfortable in most conditions for a prolonged period. Great for all men and women. Round Toe. FRT-333H
