Grubs Frostline Mid 5.0 Boot | Waterproof Rubber Boots | Slip-Resistant Rainboots | Shock-Absorbing & Insulated | Men's & Women's Rain Boots | Black

The Grubs Frostline 5.0 is your ultimate boot for the outdoors. Featuring the TRAX sole with Hexzorb shock-absorbing technology, they're built to provide maximum grip and support. The moisture-wicking terry knit liner and stretchable material ensure comfort and flexibility, while the durable construction stands up to tough conditions. Ready for any outdoor challenge, the Frostline 5.0 boots are perfect for sports, leisure, and everything in between. Grubs Frostline 5.0 Highlights: Mid-Height giving better slip-on, slip-off performance. INSU-FOAM ULTRA - Containing a polyester fleece lining combined with Grub's HIGHLOFT liner for ultimate warmth and comfort. 5.0 TECHNOLOGY - A moisture wicking terry knit liner for ultimate dryness and stretch-ability. Removable 6mm NITROCELL footbed - A nitrogen bubble structure increases the cushioning and insulative properties of the foot bed SUPER-DRI lining - is hard wearing, wicks moisture away from foot to prevent a sweaty and uncomfortable feel. It is fungus and rot proof so will not smell like cotton lined boots 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.

• ALL-DAY COMFORT & WARMTH - Designed with Grubs 5.0 thermal technology, these insulated muck boots feature a moisture-wicking liner to keep your feet dry. The stretchable material moves with you, keeping you comfortable for outdoor work in any weather.
• READY FOR ANY TERRAIN - With the TRAX sole and Hexzorb technology, these rainboots are built to keep you steady on your feet. The cushioned, shock-absorbing design and carefully placed lugs give you the traction and support you need to take on any terrain.
• DURABLE, WEATHER-RESISTANT - With a 2mm natural rubber shell and reinforced with self-hardening epoxy layers, these waterproof rain boots withstand the toughest conditions. Whether it’s rain, mud, or snow, they’ll keep your feet dry and protected.
• CUSHION FOOTBED - A 6mm removable NITROCELL footbed provides a soft cushioning for an athletic shoe feel. The mid-height design allows for easy on/off, perfect for hiking, outdoor work, or leisure.
• SUPERIOR INSULATION - Designed with INSU-FOAM ULTRA bootie, these women’s and men’s rain boots provide reliable insulation and stretch. With 300% stretchability, they comfortably accommodate most calves while keeping your feet dry and warm all day.