Alpinestars Tech Aero Backpack 2015

Size chart

Clothing Size Conversion Chart
Category	US	EU	UK	Chest (in)	Waist (in)	Hips (in)
Men	XS	44	34	32-34	26-28	33-35
	S	46	36	34-36	28-30	35-37
	M	48	38	38-40	32-34	39-41
	L	50	40	42-44	36-38	43-45
	XL	52	42	46-48	40-42	47-49
Women	XS	32	6	31-32	24-25	33-34
	S	34	8	33-34	26-27	35-36
	M	36	10	35-36	28-29	37-38
	L	38-40	12-14	37-39	30-32	39-41
	XL	42	16	40-42	33-35	42-44
Youth	XS	128	7	26-28	23-24	26-28
	S	134	8	28-30	24-25	28-30
	M	140	10	30-32	25-26	30-32
	L	146	12	32-34	26-27	32-34
	XL	152	14	34-36	27-28	34-36

Pants Size Conversion Chart
Category	US	EU	UK	Waist (in)	Hip (in)	Inseam (in)
Men	28	44	28	28	34	30
	30	46	30	30	36	31
	32	48	32	32	38	32
	34	50	34	34	40	33
	36	52	36	36	42	34
Women	0	32	4	24	34	30
	2	34	6	25	35	30
	4	36	8	26	36	31
	6	38	10	27	38	32
	8	40	12	28	40	32

Shoes Size Conversion Chart
Category	US	EU	UK	Foot Length (in)
Men	6	39	5.5	9.25
	7	40	6.5	9.625
	8	41	7.5	10
	9	42	8.5	10.25
	10	43	9.5	10.625
	11	44	10.5	11
	12	45	11.5	11.25
	13	46	12.5	11.625
Women	5	35	2.5	8.5
	6	36	3.5	8.875
	7	37	4.5	9.25
	8	38	5.5	9.625
	9	39	6.5	10
	10	40	7.5	10.25
	11	41	8.5	10.625
	12	42	9.5	11
M (Unisex)	5	37	4.5	8.75
	6	38	5.5	9
	7	39	6.5	9.5
	8	40	7.5	10
	9	41	8.5	10.25
	10	42	9.5	10.625
	11	43	10.5	11
	12	44	11.5	11.25

45 People watching this product now!

The Tech Aero Backpack is aerodynamically profiled and comes with a host of comfort and performance features that are specifically designed to enhance riding comfort. Incorporating new innovations such as the new anatomical shoulder straps and quick release strap system, this technical backpack is extremely convenient.CONSTRUCTIONAdvanced poly-fabric (600 denier on main shell; 1200 denier on base) outer construction is PU coated for additional strength and weight-saving, as well as improved durability and water resistance.Sport silhouette engineered for high cargo capacity with a low profile for aerodynamic performance.Fully expandable from 16 to 26 liters with internal laptop sleeve pocket to accommodate laptop computers, tablets and smartphone devices.Anatomically profiled back panel incorporates foam padding inserts and advances air-mesh to promote superb air channeling and improved comfort while riding. Back padding also helps distribute weight evenly across the back area which is important for comfort on longer rides.Innovative new ‘S’ design shoulder strap system is designed to anatomically follow the natural contours of rider’s torso and incorporates customizable chest connection system which features adjustable locking closures for a secure and highly personalized fit.Grab handle integrated into shoulder system for lightweight, ergonomic performance.Waist belt connector is highly adjustable and can be conveniently packed away; kidney belt pockets are expandable to store larger objects when required.Water resistant, fleece-lined top pocket for eyewear. Pocket incorporates thermoformed PU top hard shell to protect contents.Internal sleeve allows integration of Alpinestars’ Bionic Back Protector to ramp up protective capabilities.Pocket, loophole and conduit enables integration of hydro pack (as accessory upgrade), meaning this pack is ideal for long distances.Built‐in helmet carrier and fully enveloping rain cover.TPR and embroidered logo details. Extensive reflective detailing.Available in one size.

color

black

Size

One size